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
~DrmConnector()44 DrmConnector::~DrmConnector() {
45 }
46
Init()47 int DrmConnector::Init() {
48 int ret = drm_->GetConnectorProperty(*this, "DPMS", &dpms_property_);
49 if (ret) {
50 ALOGE("Could not get DPMS property\n");
51 return ret;
52 }
53 ret = drm_->GetConnectorProperty(*this, "CRTC_ID", &crtc_id_property_);
54 if (ret) {
55 ALOGE("Could not get CRTC_ID property\n");
56 return ret;
57 }
58 return 0;
59 }
60
id() const61 uint32_t DrmConnector::id() const {
62 return id_;
63 }
64
display() const65 int DrmConnector::display() const {
66 return display_;
67 }
68
set_display(int display)69 void DrmConnector::set_display(int display) {
70 display_ = display;
71 }
72
built_in() const73 bool DrmConnector::built_in() const {
74 return type_ == DRM_MODE_CONNECTOR_LVDS || type_ == DRM_MODE_CONNECTOR_eDP ||
75 type_ == DRM_MODE_CONNECTOR_DSI;
76 }
77
UpdateModes()78 int DrmConnector::UpdateModes() {
79 int fd = drm_->fd();
80
81 drmModeConnectorPtr c = drmModeGetConnector(fd, id_);
82 if (!c) {
83 ALOGE("Failed to get connector %d", id_);
84 return -ENODEV;
85 }
86
87 std::vector<DrmMode> new_modes;
88 for (int i = 0; i < c->count_modes; ++i) {
89 bool exists = false;
90 for (std::vector<DrmMode>::iterator iter = modes_.begin();
91 iter != modes_.end(); ++iter) {
92 if (*iter == c->modes[i]) {
93 new_modes.push_back(*iter);
94 exists = true;
95 break;
96 }
97 }
98 if (exists)
99 continue;
100
101 DrmMode m(&c->modes[i]);
102 m.set_id(drm_->next_mode_id());
103 new_modes.push_back(m);
104 }
105 modes_.swap(new_modes);
106 return 0;
107 }
108
active_mode() const109 const DrmMode &DrmConnector::active_mode() const {
110 return active_mode_;
111 }
112
set_active_mode(const DrmMode & mode)113 void DrmConnector::set_active_mode(const DrmMode &mode) {
114 active_mode_ = mode;
115 }
116
dpms_property() const117 const DrmProperty &DrmConnector::dpms_property() const {
118 return dpms_property_;
119 }
120
crtc_id_property() const121 const DrmProperty &DrmConnector::crtc_id_property() const {
122 return crtc_id_property_;
123 }
124
begin_modes() const125 DrmConnector::ModeIter DrmConnector::begin_modes() const {
126 return modes_.begin();
127 }
128
end_modes() const129 DrmConnector::ModeIter DrmConnector::end_modes() const {
130 return modes_.end();
131 }
132
encoder() const133 DrmEncoder *DrmConnector::encoder() const {
134 return encoder_;
135 }
136
set_encoder(DrmEncoder * encoder)137 void DrmConnector::set_encoder(DrmEncoder *encoder) {
138 encoder_ = encoder;
139 }
140
begin_possible_encoders() const141 DrmConnector::EncoderIter DrmConnector::begin_possible_encoders() const {
142 return possible_encoders_.begin();
143 }
144
end_possible_encoders() const145 DrmConnector::EncoderIter DrmConnector::end_possible_encoders() const {
146 return possible_encoders_.end();
147 }
148
mm_width() const149 uint32_t DrmConnector::mm_width() const {
150 return mm_width_;
151 }
152
mm_height() const153 uint32_t DrmConnector::mm_height() const {
154 return mm_height_;
155 }
156 }
157