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 
DrmCrtc(DrmResources * drm,drmModeCrtcPtr c,unsigned pipe)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 
~DrmCrtc()42 DrmCrtc::~DrmCrtc() {
43 }
44 
Init()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 
id() const60 uint32_t DrmCrtc::id() const {
61   return id_;
62 }
63 
pipe() const64 unsigned DrmCrtc::pipe() const {
65   return pipe_;
66 }
67 
display() const68 int DrmCrtc::display() const {
69   return display_;
70 }
71 
set_display(int display)72 void DrmCrtc::set_display(int display) {
73   display_ = display;
74 }
75 
can_bind(int display) const76 bool DrmCrtc::can_bind(int display) const {
77   return display_ == -1 || display_ == display;
78 }
79 
active_property() const80 const DrmProperty &DrmCrtc::active_property() const {
81   return active_property_;
82 }
83 
mode_property() const84 const DrmProperty &DrmCrtc::mode_property() const {
85   return mode_property_;
86 }
87 }
88