1 /* 2 * Copyright (c) 2015 - 2016, 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 #include <utils/debug.h> 31 #include "hw_virtual.h" 32 33 #define __CLASS__ "HWVirtual" 34 35 namespace sdm { 36 37 HWVirtual::HWVirtual(BufferSyncHandler *buffer_sync_handler, HWInfoInterface *hw_info_intf) 38 : HWDevice(buffer_sync_handler) { 39 HWDevice::device_type_ = kDeviceVirtual; 40 HWDevice::device_name_ = "Virtual Display Device"; 41 HWDevice::hw_info_intf_ = hw_info_intf; 42 } 43 44 DisplayError HWVirtual::Init() { 45 return HWDevice::Init(); 46 } 47 48 DisplayError HWVirtual::Validate(HWLayers *hw_layers) { 49 HWDevice::ResetDisplayParams(); 50 return HWDevice::Validate(hw_layers); 51 } 52 53 DisplayError HWVirtual::GetMixerAttributes(HWMixerAttributes *mixer_attributes) { 54 mixer_attributes->width = display_attributes_.x_pixels; 55 mixer_attributes->height = display_attributes_.y_pixels; 56 mixer_attributes_.split_left = display_attributes_.is_device_split ? 57 (display_attributes_.x_pixels / 2) : mixer_attributes_.width; 58 59 return kErrorNone; 60 } 61 62 DisplayError HWVirtual::SetDisplayAttributes(const HWDisplayAttributes &display_attributes) { 63 if (display_attributes.x_pixels == 0 || display_attributes.y_pixels == 0) { 64 return kErrorParameters; 65 } 66 67 display_attributes_ = display_attributes; 68 69 if (display_attributes_.x_pixels > hw_resource_.max_mixer_width) { 70 display_attributes_.is_device_split = true; 71 } 72 73 return kErrorNone; 74 } 75 76 DisplayError HWVirtual::GetDisplayAttributes(uint32_t index, 77 HWDisplayAttributes *display_attributes) { 78 display_attributes->fps = 60; 79 // TODO(user): Need to update WB fps 80 81 return kErrorNone; 82 } 83 84 85 } // namespace sdm 86 87