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 int DrmCrtc::Init() { 43 int ret = drm_->GetCrtcProperty(*this, "ACTIVE", &active_property_); 44 if (ret) { 45 ALOGE("Failed to get ACTIVE property"); 46 return ret; 47 } 48 49 ret = drm_->GetCrtcProperty(*this, "MODE_ID", &mode_property_); 50 if (ret) { 51 ALOGE("Failed to get MODE_ID property"); 52 return ret; 53 } 54 return 0; 55 } 56 57 uint32_t DrmCrtc::id() const { 58 return id_; 59 } 60 61 unsigned DrmCrtc::pipe() const { 62 return pipe_; 63 } 64 65 int DrmCrtc::display() const { 66 return display_; 67 } 68 69 void DrmCrtc::set_display(int display) { 70 display_ = display; 71 } 72 73 bool DrmCrtc::can_bind(int display) const { 74 return display_ == -1 || display_ == display; 75 } 76 77 const DrmProperty &DrmCrtc::active_property() const { 78 return active_property_; 79 } 80 81 const DrmProperty &DrmCrtc::mode_property() const { 82 return mode_property_; 83 } 84 } 85