1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "hwc-drm-crtc" 18 19 #include "drmcrtc.h" 20 #include "drmresources.h" 21 22 #include <stdint.h> 23 #include <xf86drmMode.h> 24 25 #include <cutils/log.h> 26 27 namespace android { 28 29 DrmCrtc::DrmCrtc(DrmResources *drm, drmModeCrtcPtr c, unsigned pipe) 30 : drm_(drm), 31 id_(c->crtc_id), 32 pipe_(pipe), 33 display_(-1), 34 x_(c->x), 35 y_(c->y), 36 width_(c->width), 37 height_(c->height), 38 mode_(&c->mode), 39 mode_valid_(c->mode_valid) { 40 } 41 42 DrmCrtc::~DrmCrtc() { 43 } 44 45 int DrmCrtc::Init() { 46 int ret = drm_->GetCrtcProperty(*this, "ACTIVE", &active_property_); 47 if (ret) { 48 ALOGE("Failed to get ACTIVE property"); 49 return ret; 50 } 51 52 ret = drm_->GetCrtcProperty(*this, "MODE_ID", &mode_property_); 53 if (ret) { 54 ALOGE("Failed to get MODE_ID property"); 55 return ret; 56 } 57 return 0; 58 } 59 60 uint32_t DrmCrtc::id() const { 61 return id_; 62 } 63 64 unsigned DrmCrtc::pipe() const { 65 return pipe_; 66 } 67 68 int DrmCrtc::display() const { 69 return display_; 70 } 71 72 void DrmCrtc::set_display(int display) { 73 display_ = display; 74 } 75 76 bool DrmCrtc::can_bind(int display) const { 77 return display_ == -1 || display_ == display; 78 } 79 80 const DrmProperty &DrmCrtc::active_property() const { 81 return active_property_; 82 } 83 84 const DrmProperty &DrmCrtc::mode_property() const { 85 return mode_property_; 86 } 87 } 88