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      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