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 
Init()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 
id() const57 uint32_t DrmCrtc::id() const {
58   return id_;
59 }
60 
pipe() const61 unsigned DrmCrtc::pipe() const {
62   return pipe_;
63 }
64 
display() const65 int DrmCrtc::display() const {
66   return display_;
67 }
68 
set_display(int display)69 void DrmCrtc::set_display(int display) {
70   display_ = display;
71 }
72 
can_bind(int display) const73 bool DrmCrtc::can_bind(int display) const {
74   return display_ == -1 || display_ == display;
75 }
76 
active_property() const77 const DrmProperty &DrmCrtc::active_property() const {
78   return active_property_;
79 }
80 
mode_property() const81 const DrmProperty &DrmCrtc::mode_property() const {
82   return mode_property_;
83 }
84 }
85