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
28namespace android {
29
30DrmConnector::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
44int 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
58uint32_t DrmConnector::id() const {
59  return id_;
60}
61
62int DrmConnector::display() const {
63  return display_;
64}
65
66void DrmConnector::set_display(int display) {
67  display_ = display;
68}
69
70bool DrmConnector::built_in() const {
71  return type_ == DRM_MODE_CONNECTOR_LVDS || type_ == DRM_MODE_CONNECTOR_eDP ||
72         type_ == DRM_MODE_CONNECTOR_DSI || type_ == DRM_MODE_CONNECTOR_VIRTUAL;
73}
74
75int 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
107const DrmMode &DrmConnector::active_mode() const {
108  return active_mode_;
109}
110
111void DrmConnector::set_active_mode(const DrmMode &mode) {
112  active_mode_ = mode;
113}
114
115const DrmProperty &DrmConnector::dpms_property() const {
116  return dpms_property_;
117}
118
119const DrmProperty &DrmConnector::crtc_id_property() const {
120  return crtc_id_property_;
121}
122
123DrmEncoder *DrmConnector::encoder() const {
124  return encoder_;
125}
126
127void DrmConnector::set_encoder(DrmEncoder *encoder) {
128  encoder_ = encoder;
129}
130
131drmModeConnection DrmConnector::state() const {
132  return state_;
133}
134
135uint32_t DrmConnector::mm_width() const {
136  return mm_width_;
137}
138
139uint32_t DrmConnector::mm_height() const {
140  return mm_height_;
141}
142}
143