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-connector"
18
19 #include "drmconnector.h"
20 #include "drmresources.h"
21
22 #include <errno.h>
23 #include <stdint.h>
24
25 #include <cutils/log.h>
26 #include <xf86drmMode.h>
27
28 namespace android {
29
DrmConnector(DrmResources * drm,drmModeConnectorPtr c,DrmEncoder * current_encoder,std::vector<DrmEncoder * > & possible_encoders)30 DrmConnector::DrmConnector(DrmResources *drm, drmModeConnectorPtr c,
31 DrmEncoder *current_encoder,
32 std::vector<DrmEncoder *> &possible_encoders)
33 : drm_(drm),
34 id_(c->connector_id),
35 encoder_(current_encoder),
36 display_(-1),
37 type_(c->connector_type),
38 state_(c->connection),
39 mm_width_(c->mmWidth),
40 mm_height_(c->mmHeight),
41 possible_encoders_(possible_encoders) {
42 }
43
Init()44 int DrmConnector::Init() {
45 int ret = drm_->GetConnectorProperty(*this, "DPMS", &dpms_property_);
46 if (ret) {
47 ALOGE("Could not get DPMS property\n");
48 return ret;
49 }
50 ret = drm_->GetConnectorProperty(*this, "CRTC_ID", &crtc_id_property_);
51 if (ret) {
52 ALOGE("Could not get CRTC_ID property\n");
53 return ret;
54 }
55 return 0;
56 }
57
id() const58 uint32_t DrmConnector::id() const {
59 return id_;
60 }
61
display() const62 int DrmConnector::display() const {
63 return display_;
64 }
65
set_display(int display)66 void DrmConnector::set_display(int display) {
67 display_ = display;
68 }
69
built_in() const70 bool DrmConnector::built_in() const {
71 return type_ == DRM_MODE_CONNECTOR_LVDS || type_ == DRM_MODE_CONNECTOR_eDP ||
72 type_ == DRM_MODE_CONNECTOR_DSI;
73 }
74
UpdateModes()75 int DrmConnector::UpdateModes() {
76 int fd = drm_->fd();
77
78 drmModeConnectorPtr c = drmModeGetConnector(fd, id_);
79 if (!c) {
80 ALOGE("Failed to get connector %d", id_);
81 return -ENODEV;
82 }
83
84 state_ = c->connection;
85
86 std::vector<DrmMode> new_modes;
87 for (int i = 0; i < c->count_modes; ++i) {
88 bool exists = false;
89 for (const DrmMode &mode : modes_) {
90 if (mode == c->modes[i]) {
91 new_modes.push_back(mode);
92 exists = true;
93 break;
94 }
95 }
96 if (exists)
97 continue;
98
99 DrmMode m(&c->modes[i]);
100 m.set_id(drm_->next_mode_id());
101 new_modes.push_back(m);
102 }
103 modes_.swap(new_modes);
104 return 0;
105 }
106
active_mode() const107 const DrmMode &DrmConnector::active_mode() const {
108 return active_mode_;
109 }
110
set_active_mode(const DrmMode & mode)111 void DrmConnector::set_active_mode(const DrmMode &mode) {
112 active_mode_ = mode;
113 }
114
dpms_property() const115 const DrmProperty &DrmConnector::dpms_property() const {
116 return dpms_property_;
117 }
118
crtc_id_property() const119 const DrmProperty &DrmConnector::crtc_id_property() const {
120 return crtc_id_property_;
121 }
122
encoder() const123 DrmEncoder *DrmConnector::encoder() const {
124 return encoder_;
125 }
126
set_encoder(DrmEncoder * encoder)127 void DrmConnector::set_encoder(DrmEncoder *encoder) {
128 encoder_ = encoder;
129 }
130
state() const131 drmModeConnection DrmConnector::state() const {
132 return state_;
133 }
134
mm_width() const135 uint32_t DrmConnector::mm_width() const {
136 return mm_width_;
137 }
138
mm_height() const139 uint32_t DrmConnector::mm_height() const {
140 return mm_height_;
141 }
142 }
143