2 * Copyright (C) 2015 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #define LOG_TAG "hwc-drm-connector"
19 #include "drmconnector.h"
20 #include "drmresources.h"
26 #include <xf86drmMode.h>
30 DrmConnector::DrmConnector(DrmResources *drm, drmModeConnectorPtr c,
31 DrmEncoder *current_encoder,
32 std::vector<DrmEncoder *> &possible_encoders)
35 encoder_(current_encoder),
37 type_(c->connector_type),
38 state_(c->connection),
39 mm_width_(c->mmWidth),
40 mm_height_(c->mmHeight),
41 possible_encoders_(possible_encoders) {
44 int DrmConnector::Init() {
45 int ret = drm_->GetConnectorProperty(*this, "DPMS", &dpms_property_);
47 ALOGE("Could not get DPMS property\n");
50 ret = drm_->GetConnectorProperty(*this, "CRTC_ID", &crtc_id_property_);
52 ALOGE("Could not get CRTC_ID property\n");
58 uint32_t DrmConnector::id() const {
62 int DrmConnector::display() const {
66 void DrmConnector::set_display(int display) {
70 bool DrmConnector::internal() const {
71 return type_ == DRM_MODE_CONNECTOR_LVDS || type_ == DRM_MODE_CONNECTOR_eDP ||
72 type_ == DRM_MODE_CONNECTOR_DSI || type_ == DRM_MODE_CONNECTOR_VIRTUAL;
75 bool DrmConnector::external() const {
76 return type_ == DRM_MODE_CONNECTOR_HDMIA || type_ == DRM_MODE_CONNECTOR_DisplayPort ||
77 type_ == DRM_MODE_CONNECTOR_DVID || type_ == DRM_MODE_CONNECTOR_DVII ||
78 type_ == DRM_MODE_CONNECTOR_VGA;
81 bool DrmConnector::valid_type() const {
82 return internal() || external();
85 int DrmConnector::UpdateModes() {
88 drmModeConnectorPtr c = drmModeGetConnector(fd, id_);
90 ALOGE("Failed to get connector %d", id_);
94 state_ = c->connection;
96 std::vector<DrmMode> new_modes;
97 for (int i = 0; i < c->count_modes; ++i) {
99 for (const DrmMode &mode : modes_) {
100 if (mode == c->modes[i]) {
101 new_modes.push_back(mode);
109 DrmMode m(&c->modes[i]);
110 m.set_id(drm_->next_mode_id());
111 new_modes.push_back(m);
113 modes_.swap(new_modes);
117 const DrmMode &DrmConnector::active_mode() const {
121 void DrmConnector::set_active_mode(const DrmMode &mode) {
125 const DrmProperty &DrmConnector::dpms_property() const {
126 return dpms_property_;
129 const DrmProperty &DrmConnector::crtc_id_property() const {
130 return crtc_id_property_;
133 DrmEncoder *DrmConnector::encoder() const {
137 void DrmConnector::set_encoder(DrmEncoder *encoder) {
141 drmModeConnection DrmConnector::state() const {
145 uint32_t DrmConnector::mm_width() const {
149 uint32_t DrmConnector::mm_height() const {