1 /* 2 * Copyright (c) 2014-2019, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * Redistributions of source code must retain the above copyright 8 notice, this list of conditions and the following disclaimer. 9 * Redistributions in binary form must reproduce the above 10 copyright notice, this list of conditions and the following 11 disclaimer in the documentation and/or other materials provided 12 with the distribution. 13 * Neither the name of The Linux Foundation nor the names of its 14 contributors may be used to endorse or promote products derived 15 from this software without specific prior written permission. 16 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef __HWC_DISPLAY_BUILTIN_H__ 31 #define __HWC_DISPLAY_BUILTIN_H__ 32 33 #include <hardware/google/light/1.0/ILight.h> 34 #include <limits> 35 #include <string> 36 #include <vector> 37 #include <mutex> 38 39 #include "cpuhint.h" 40 #include "hwc_display.h" 41 42 namespace sdm { 43 44 class HWCDisplayBuiltIn : public HWCDisplay { 45 public: 46 enum { 47 SET_METADATA_DYN_REFRESH_RATE, 48 SET_BINDER_DYN_REFRESH_RATE, 49 SET_DISPLAY_MODE, 50 SET_QDCM_SOLID_FILL_INFO, 51 UNSET_QDCM_SOLID_FILL_INFO, 52 SET_QDCM_SOLID_FILL_RECT, 53 }; 54 55 static int Create(CoreInterface *core_intf, BufferAllocator *buffer_allocator, 56 HWCCallbacks *callbacks, HWCDisplayEventHandler *event_handler, 57 qService::QService *qservice, hwc2_display_t id, int32_t sdm_id, 58 HWCDisplay **hwc_display); 59 static void Destroy(HWCDisplay *hwc_display); 60 virtual int Init(); 61 virtual int Deinit() override; 62 virtual HWC2::Error Validate(uint32_t *out_num_types, uint32_t *out_num_requests); 63 virtual HWC2::Error Present(int32_t *out_retire_fence); 64 virtual HWC2::Error CommitLayerStack(); 65 virtual HWC2::Error GetColorModes(uint32_t *out_num_modes, ColorMode *out_modes); 66 virtual HWC2::Error SetColorMode(ColorMode mode); 67 virtual HWC2::Error GetRenderIntents(ColorMode mode, uint32_t *out_num_intents, 68 RenderIntent *out_intents); 69 virtual HWC2::Error SetColorModeWithRenderIntent(ColorMode mode, RenderIntent intent); 70 virtual HWC2::Error SetColorModeById(int32_t color_mode_id); 71 virtual HWC2::Error SetColorModeFromClientApi(int32_t color_mode_id); 72 virtual HWC2::Error SetColorTransform(const float *matrix, android_color_transform_t hint); 73 virtual HWC2::Error RestoreColorTransform(); 74 virtual int Perform(uint32_t operation, ...); 75 virtual int HandleSecureSession(const std::bitset<kSecureMax> &secure_session, 76 bool *power_on_pending); 77 virtual DisplayError Refresh(); 78 virtual void SetIdleTimeoutMs(uint32_t timeout_ms); 79 virtual HWC2::Error SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type, 80 int32_t format, bool post_processed); 81 virtual int FrameCaptureAsync(const BufferInfo &output_buffer_info, bool post_processed); GetFrameCaptureStatus()82 virtual int GetFrameCaptureStatus() { return frame_capture_status_; } 83 virtual DisplayError SetDetailEnhancerConfig(const DisplayDetailEnhancerData &de_data); 84 virtual DisplayError ControlPartialUpdate(bool enable, uint32_t *pending); 85 virtual HWC2::Error SetReadbackBuffer(const native_handle_t *buffer, int32_t acquire_fence, 86 bool post_processed_output); 87 virtual HWC2::Error GetReadbackBufferFence(int32_t *release_fence); 88 virtual HWC2::Error SetQSyncMode(QSyncMode qsync_mode); 89 virtual DisplayError ControlIdlePowerCollapse(bool enable, bool synchronous); 90 virtual HWC2::Error SetDisplayDppsAdROI(uint32_t h_start, uint32_t h_end, uint32_t v_start, 91 uint32_t v_end, uint32_t factor_in, uint32_t factor_out); 92 virtual DisplayError SetDynamicDSIClock(uint64_t bitclk); 93 virtual DisplayError GetDynamicDSIClock(uint64_t *bitclk); 94 virtual DisplayError GetSupportedDSIClock(std::vector<uint64_t> *bitclk_rates); 95 virtual HWC2::Error UpdateDisplayId(hwc2_display_t id); 96 virtual HWC2::Error SetPendingRefresh(); 97 virtual HWC2::Error SetPanelBrightness(int32_t level) override; 98 virtual HWC2::Error GetPanelBrightness(int32_t &level) const override; 99 virtual HWC2::Error GetPanelMaxBrightness(int32_t &max_brightness_level) const override; 100 virtual DisplayError TeardownConcurrentWriteback(void); SetFastPathComposition(bool enable)101 virtual void SetFastPathComposition(bool enable) { 102 fast_path_composition_ = enable && !readback_buffer_queued_; 103 } 104 virtual HWC2::Error PostCommitLayerStack(int32_t *out_retire_fence); 105 106 virtual HWC2::Error SetDisplayedContentSamplingEnabledVndService(bool enabled); 107 virtual HWC2::Error SetDisplayedContentSamplingEnabled(int32_t enabled, uint8_t component_mask, uint64_t max_frames) override; 108 virtual HWC2::Error GetDisplayedContentSamplingAttributes(int32_t* format, int32_t* dataspace, 109 uint8_t* supported_components) override; 110 virtual HWC2::Error GetDisplayedContentSample(uint64_t max_frames, 111 uint64_t timestamp, uint64_t* numFrames, 112 int32_t samples_size[NUM_HISTOGRAM_COLOR_COMPONENTS], 113 uint64_t* samples[NUM_HISTOGRAM_COLOR_COMPONENTS]) override; 114 virtual HWC2::Error GetDisplayBrightnessSupport(bool *out_support) override; 115 virtual HWC2::Error GetProtectedContentsSupport(bool *out_support) override; 116 std::string Dump() override; 117 virtual HWC2::Error UpdatePowerMode(HWC2::PowerMode mode); 118 119 private: 120 HWCDisplayBuiltIn(CoreInterface *core_intf, BufferAllocator *buffer_allocator, 121 HWCCallbacks *callbacks, HWCDisplayEventHandler *event_handler, 122 qService::QService *qservice, hwc2_display_t id, int32_t sdm_id); 123 void SetMetaDataRefreshRateFlag(bool enable); 124 virtual DisplayError SetDisplayMode(uint32_t mode); 125 virtual DisplayError DisablePartialUpdateOneFrame(); 126 void SetQDCMSolidFillInfo(bool enable, const LayerSolidFill &color); 127 void ToggleCPUHint(bool set); 128 void ForceRefreshRate(uint32_t refresh_rate); 129 uint32_t GetOptimalRefreshRate(bool one_updating_layer); 130 void HandleFrameOutput(); 131 void HandleFrameDump(); 132 void HandleFrameCapture(); 133 bool CanSkipCommit(); 134 DisplayError SetMixerResolution(uint32_t width, uint32_t height); 135 DisplayError GetMixerResolution(uint32_t *width, uint32_t *height); 136 class PMICInterface { 137 public: PMICInterface()138 PMICInterface() { } ~PMICInterface()139 ~PMICInterface() { } 140 DisplayError Init(); 141 void Deinit(); 142 DisplayError Notify(SecureEvent event); 143 144 private: 145 int fd_lcd_bias_ = -1; 146 int fd_wled_ = -1; 147 }; 148 149 BufferAllocator *buffer_allocator_ = nullptr; 150 CPUHint *cpu_hint_ = nullptr; 151 152 // Builtin readback buffer configuration 153 LayerBuffer output_buffer_ = {}; 154 bool post_processed_output_ = false; 155 bool readback_buffer_queued_ = false; 156 bool readback_configured_ = false; 157 158 // Members for N frame output dump to file 159 bool dump_output_to_file_ = false; 160 BufferInfo output_buffer_info_ = {}; 161 void *output_buffer_base_ = nullptr; 162 int default_mode_status_ = 0; 163 bool pending_refresh_ = true; 164 bool enable_optimize_refresh_ = false; 165 bool hdr_present_ = false; 166 167 // Members for 1 frame capture in a client provided buffer 168 bool frame_capture_buffer_queued_ = false; 169 int frame_capture_status_ = -EAGAIN; 170 171 // Members for HBM feature 172 static constexpr float hbm_threshold_pct_ = 0.5f; 173 float hbm_threshold_px_ = std::numeric_limits<float>::max(); 174 android::sp<hardware::google::light::V1_0::ILight> hardware_ILight_ = nullptr; 175 bool has_init_light_server_ = false; 176 bool high_brightness_mode_ = false; 177 178 // Members for Color sampling feature 179 DisplayError HistogramEvent(int fd, uint32_t blob_id) override; 180 histogram::HistogramCollector histogram; 181 std::mutex sampling_mutex; 182 bool api_sampling_vote = false; 183 bool vndservice_sampling_vote = false; 184 185 // PMIC interface to notify secure display start/end 186 PMICInterface *pmic_intf_ = nullptr; 187 bool pmic_notification_pending_ = false; 188 }; 189 190 } // namespace sdm 191 192 #endif // __HWC_DISPLAY_BUILTIN_H__ 193