| /* |
| * Copyright (c) 2014 - 2017, 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. |
| */ |
| |
| #include <utils/constants.h> |
| #include <utils/debug.h> |
| #include <map> |
| #include <utility> |
| #include <vector> |
| |
| #include "display_hdmi.h" |
| #include "hw_interface.h" |
| #include "hw_info_interface.h" |
| |
| #define __CLASS__ "DisplayHDMI" |
| |
| namespace sdm { |
| |
| DisplayHDMI::DisplayHDMI(DisplayEventHandler *event_handler, HWInfoInterface *hw_info_intf, |
| BufferSyncHandler *buffer_sync_handler, CompManager *comp_manager) |
| : DisplayBase(kHDMI, event_handler, kDeviceHDMI, buffer_sync_handler, comp_manager, |
| hw_info_intf) { |
| } |
| |
| DisplayError DisplayHDMI::Init() { |
| lock_guard<recursive_mutex> obj(recursive_mutex_); |
| |
| DisplayError error = HWInterface::Create(kHDMI, hw_info_intf_, buffer_sync_handler_, |
| &hw_intf_); |
| if (error != kErrorNone) { |
| return error; |
| } |
| |
| uint32_t active_mode_index; |
| char value[64] = "0"; |
| Debug::GetProperty("sdm.hdmi.s3d_mode", value); |
| HWS3DMode mode = (HWS3DMode)atoi(value); |
| if (mode > kS3DModeNone && mode < kS3DModeMax) { |
| active_mode_index = GetBestConfig(mode); |
| } else { |
| active_mode_index = GetBestConfig(kS3DModeNone); |
| } |
| |
| error = hw_intf_->SetDisplayAttributes(active_mode_index); |
| if (error != kErrorNone) { |
| HWInterface::Destroy(hw_intf_); |
| } |
| |
| error = DisplayBase::Init(); |
| if (error != kErrorNone) { |
| HWInterface::Destroy(hw_intf_); |
| return error; |
| } |
| |
| GetScanSupport(); |
| underscan_supported_ = (scan_support_ == kScanAlwaysUnderscanned) || (scan_support_ == kScanBoth); |
| |
| s3d_format_to_mode_.insert(std::pair<LayerBufferS3DFormat, HWS3DMode> |
| (kS3dFormatNone, kS3DModeNone)); |
| s3d_format_to_mode_.insert(std::pair<LayerBufferS3DFormat, HWS3DMode> |
| (kS3dFormatLeftRight, kS3DModeLR)); |
| s3d_format_to_mode_.insert(std::pair<LayerBufferS3DFormat, HWS3DMode> |
| (kS3dFormatRightLeft, kS3DModeRL)); |
| s3d_format_to_mode_.insert(std::pair<LayerBufferS3DFormat, HWS3DMode> |
| (kS3dFormatTopBottom, kS3DModeTB)); |
| s3d_format_to_mode_.insert(std::pair<LayerBufferS3DFormat, HWS3DMode> |
| (kS3dFormatFramePacking, kS3DModeFP)); |
| |
| error = HWEventsInterface::Create(INT(display_type_), this, event_list_, &hw_events_intf_); |
| if (error != kErrorNone) { |
| DisplayBase::Deinit(); |
| HWInterface::Destroy(hw_intf_); |
| DLOGE("Failed to create hardware events interface. Error = %d", error); |
| } |
| |
| return error; |
| } |
| |
| DisplayError DisplayHDMI::Prepare(LayerStack *layer_stack) { |
| lock_guard<recursive_mutex> obj(recursive_mutex_); |
| DisplayError error = kErrorNone; |
| uint32_t new_mixer_width = 0; |
| uint32_t new_mixer_height = 0; |
| uint32_t display_width = display_attributes_.x_pixels; |
| uint32_t display_height = display_attributes_.y_pixels; |
| |
| if (NeedsMixerReconfiguration(layer_stack, &new_mixer_width, &new_mixer_height)) { |
| error = ReconfigureMixer(new_mixer_width, new_mixer_height); |
| if (error != kErrorNone) { |
| ReconfigureMixer(display_width, display_height); |
| } |
| } |
| |
| SetS3DMode(layer_stack); |
| |
| // Clean hw layers for reuse. |
| hw_layers_ = HWLayers(); |
| |
| return DisplayBase::Prepare(layer_stack); |
| } |
| |
| DisplayError DisplayHDMI::GetRefreshRateRange(uint32_t *min_refresh_rate, |
| uint32_t *max_refresh_rate) { |
| lock_guard<recursive_mutex> obj(recursive_mutex_); |
| DisplayError error = kErrorNone; |
| |
| if (hw_panel_info_.min_fps && hw_panel_info_.max_fps) { |
| *min_refresh_rate = hw_panel_info_.min_fps; |
| *max_refresh_rate = hw_panel_info_.max_fps; |
| } else { |
| error = DisplayBase::GetRefreshRateRange(min_refresh_rate, max_refresh_rate); |
| } |
| |
| return error; |
| } |
| |
| DisplayError DisplayHDMI::SetRefreshRate(uint32_t refresh_rate) { |
| lock_guard<recursive_mutex> obj(recursive_mutex_); |
| |
| if (!active_) { |
| return kErrorPermission; |
| } |
| |
| DisplayError error = hw_intf_->SetRefreshRate(refresh_rate); |
| if (error != kErrorNone) { |
| return error; |
| } |
| |
| return DisplayBase::ReconfigureDisplay(); |
| } |
| |
| bool DisplayHDMI::IsUnderscanSupported() { |
| lock_guard<recursive_mutex> obj(recursive_mutex_); |
| return underscan_supported_; |
| } |
| |
| DisplayError DisplayHDMI::OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level) { |
| lock_guard<recursive_mutex> obj(recursive_mutex_); |
| return hw_intf_->OnMinHdcpEncryptionLevelChange(min_enc_level); |
| } |
| |
| uint32_t DisplayHDMI::GetBestConfig(HWS3DMode s3d_mode) { |
| uint32_t best_index = 0, index; |
| uint32_t num_modes = 0; |
| HWDisplayAttributes best_attrib; |
| |
| hw_intf_->GetNumDisplayAttributes(&num_modes); |
| |
| // Get display attribute for each mode |
| std::vector<HWDisplayAttributes> attrib(num_modes); |
| for (index = 0; index < num_modes; index++) { |
| hw_intf_->GetDisplayAttributes(index, &attrib[index]); |
| } |
| |
| // Select best config for s3d_mode. If s3d is not enabled, s3d_mode is kS3DModeNone |
| for (index = 0; index < num_modes; index ++) { |
| if (attrib[index].s3d_config[s3d_mode]) { |
| break; |
| } |
| } |
| if (index < num_modes) { |
| best_index = UINT32(index); |
| for (size_t index = best_index + 1; index < num_modes; index ++) { |
| if (!attrib[index].s3d_config[s3d_mode]) |
| continue; |
| |
| // From the available configs, select the best |
| // Ex: 1920x1080@60Hz is better than 1920x1080@30 and 1920x1080@30 is better than 1280x720@60 |
| if (attrib[index].y_pixels > attrib[best_index].y_pixels) { |
| best_index = UINT32(index); |
| } else if (attrib[index].y_pixels == attrib[best_index].y_pixels) { |
| if (attrib[index].x_pixels > attrib[best_index].x_pixels) { |
| best_index = UINT32(index); |
| } else if (attrib[index].x_pixels == attrib[best_index].x_pixels) { |
| if (attrib[index].vsync_period_ns < attrib[best_index].vsync_period_ns) { |
| best_index = UINT32(index); |
| } |
| } |
| } |
| } |
| } else { |
| DLOGW("%s, could not support S3D mode from EDID info. S3D mode is %d", |
| __FUNCTION__, s3d_mode); |
| } |
| |
| // Used for changing HDMI Resolution - override the best with user set config |
| uint32_t user_config = UINT32(Debug::GetHDMIResolution()); |
| if (user_config) { |
| uint32_t config_index = 0; |
| // For the config, get the corresponding index |
| DisplayError error = hw_intf_->GetConfigIndex(user_config, &config_index); |
| if (error == kErrorNone) |
| return config_index; |
| } |
| |
| return best_index; |
| } |
| |
| void DisplayHDMI::GetScanSupport() { |
| DisplayError error = kErrorNone; |
| uint32_t video_format = 0; |
| uint32_t max_cea_format = 0; |
| HWScanInfo scan_info = HWScanInfo(); |
| hw_intf_->GetHWScanInfo(&scan_info); |
| |
| uint32_t active_mode_index = 0; |
| hw_intf_->GetActiveConfig(&active_mode_index); |
| |
| error = hw_intf_->GetVideoFormat(active_mode_index, &video_format); |
| if (error != kErrorNone) { |
| return; |
| } |
| |
| error = hw_intf_->GetMaxCEAFormat(&max_cea_format); |
| if (error != kErrorNone) { |
| return; |
| } |
| |
| // The scan support for a given HDMI TV must be read from scan info corresponding to |
| // Preferred Timing if the preferred timing of the display is currently active, and if it is |
| // valid. In all other cases, we must read the scan support from CEA scan info if |
| // the resolution is a CEA resolution, or from IT scan info for all other resolutions. |
| if (active_mode_index == 0 && scan_info.pt_scan_support != kScanNotSupported) { |
| scan_support_ = scan_info.pt_scan_support; |
| } else if (video_format < max_cea_format) { |
| scan_support_ = scan_info.cea_scan_support; |
| } else { |
| scan_support_ = scan_info.it_scan_support; |
| } |
| } |
| |
| void DisplayHDMI::SetS3DMode(LayerStack *layer_stack) { |
| uint32_t s3d_layer_count = 0; |
| HWS3DMode s3d_mode = kS3DModeNone; |
| uint32_t layer_count = UINT32(layer_stack->layers.size()); |
| |
| // S3D mode is supported for the following scenarios: |
| // 1. Layer stack containing only one s3d layer which is not skip |
| // 2. Layer stack containing only one secure layer along with one s3d layer |
| for (uint32_t i = 0; i < layer_count; i++) { |
| Layer *layer = layer_stack->layers.at(i); |
| LayerBuffer &layer_buffer = layer->input_buffer; |
| |
| if (layer_buffer.s3d_format != kS3dFormatNone) { |
| s3d_layer_count++; |
| if (s3d_layer_count > 1 || layer->flags.skip) { |
| s3d_mode = kS3DModeNone; |
| break; |
| } |
| |
| std::map<LayerBufferS3DFormat, HWS3DMode>::iterator it = |
| s3d_format_to_mode_.find(layer_buffer.s3d_format); |
| if (it != s3d_format_to_mode_.end()) { |
| s3d_mode = it->second; |
| } |
| } else if (layer_buffer.flags.secure && layer_count > 2) { |
| s3d_mode = kS3DModeNone; |
| break; |
| } |
| } |
| |
| if (hw_intf_->SetS3DMode(s3d_mode) != kErrorNone) { |
| hw_intf_->SetS3DMode(kS3DModeNone); |
| layer_stack->flags.s3d_mode_present = false; |
| } else if (s3d_mode != kS3DModeNone) { |
| layer_stack->flags.s3d_mode_present = true; |
| } |
| |
| DisplayBase::ReconfigureDisplay(); |
| } |
| |
| void DisplayHDMI::CECMessage(char *message) { |
| event_handler_->CECMessage(message); |
| } |
| |
| DisplayError DisplayHDMI::VSync(int64_t timestamp) { |
| if (vsync_enable_) { |
| DisplayEventVSync vsync; |
| vsync.timestamp = timestamp; |
| event_handler_->VSync(vsync); |
| } |
| |
| return kErrorNone; |
| } |
| |
| } // namespace sdm |
| |