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-plane"
18
19#include "drmplane.h"
20#include "drmresources.h"
21
22#include <cinttypes>
23#include <errno.h>
24#include <stdint.h>
25
26#include <cutils/log.h>
27#include <xf86drmMode.h>
28
29namespace android {
30
31DrmPlane::DrmPlane(DrmResources *drm, drmModePlanePtr p)
32    : drm_(drm), id_(p->plane_id), possible_crtc_mask_(p->possible_crtcs) {
33}
34
35int DrmPlane::Init() {
36  DrmProperty p;
37
38  int ret = drm_->GetPlaneProperty(*this, "type", &p);
39  if (ret) {
40    ALOGE("Could not get plane type property");
41    return ret;
42  }
43
44  uint64_t type;
45  ret = p.value(&type);
46  if (ret) {
47    ALOGE("Failed to get plane type property value");
48    return ret;
49  }
50  switch (type) {
51    case DRM_PLANE_TYPE_OVERLAY:
52    case DRM_PLANE_TYPE_PRIMARY:
53    case DRM_PLANE_TYPE_CURSOR:
54      type_ = (uint32_t)type;
55      break;
56    default:
57      ALOGE("Invalid plane type %" PRIu64, type);
58      return -EINVAL;
59  }
60
61  ret = drm_->GetPlaneProperty(*this, "CRTC_ID", &crtc_property_);
62  if (ret) {
63    ALOGE("Could not get CRTC_ID property");
64    return ret;
65  }
66
67  ret = drm_->GetPlaneProperty(*this, "FB_ID", &fb_property_);
68  if (ret) {
69    ALOGE("Could not get FB_ID property");
70    return ret;
71  }
72
73  ret = drm_->GetPlaneProperty(*this, "CRTC_X", &crtc_x_property_);
74  if (ret) {
75    ALOGE("Could not get CRTC_X property");
76    return ret;
77  }
78
79  ret = drm_->GetPlaneProperty(*this, "CRTC_Y", &crtc_y_property_);
80  if (ret) {
81    ALOGE("Could not get CRTC_Y property");
82    return ret;
83  }
84
85  ret = drm_->GetPlaneProperty(*this, "CRTC_W", &crtc_w_property_);
86  if (ret) {
87    ALOGE("Could not get CRTC_W property");
88    return ret;
89  }
90
91  ret = drm_->GetPlaneProperty(*this, "CRTC_H", &crtc_h_property_);
92  if (ret) {
93    ALOGE("Could not get CRTC_H property");
94    return ret;
95  }
96
97  ret = drm_->GetPlaneProperty(*this, "SRC_X", &src_x_property_);
98  if (ret) {
99    ALOGE("Could not get SRC_X property");
100    return ret;
101  }
102
103  ret = drm_->GetPlaneProperty(*this, "SRC_Y", &src_y_property_);
104  if (ret) {
105    ALOGE("Could not get SRC_Y property");
106    return ret;
107  }
108
109  ret = drm_->GetPlaneProperty(*this, "SRC_W", &src_w_property_);
110  if (ret) {
111    ALOGE("Could not get SRC_W property");
112    return ret;
113  }
114
115  ret = drm_->GetPlaneProperty(*this, "SRC_H", &src_h_property_);
116  if (ret) {
117    ALOGE("Could not get SRC_H property");
118    return ret;
119  }
120
121  ret = drm_->GetPlaneProperty(*this, "rotation", &rotation_property_);
122  if (ret)
123    ALOGE("Could not get rotation property");
124
125  ret = drm_->GetPlaneProperty(*this, "alpha", &alpha_property_);
126  if (ret)
127    ALOGI("Could not get alpha property");
128
129  return 0;
130}
131
132uint32_t DrmPlane::id() const {
133  return id_;
134}
135
136bool DrmPlane::GetCrtcSupported(const DrmCrtc &crtc) const {
137  return !!((1 << crtc.pipe()) & possible_crtc_mask_);
138}
139
140uint32_t DrmPlane::type() const {
141  return type_;
142}
143
144const DrmProperty &DrmPlane::crtc_property() const {
145  return crtc_property_;
146}
147
148const DrmProperty &DrmPlane::fb_property() const {
149  return fb_property_;
150}
151
152const DrmProperty &DrmPlane::crtc_x_property() const {
153  return crtc_x_property_;
154}
155
156const DrmProperty &DrmPlane::crtc_y_property() const {
157  return crtc_y_property_;
158}
159
160const DrmProperty &DrmPlane::crtc_w_property() const {
161  return crtc_w_property_;
162}
163
164const DrmProperty &DrmPlane::crtc_h_property() const {
165  return crtc_h_property_;
166}
167
168const DrmProperty &DrmPlane::src_x_property() const {
169  return src_x_property_;
170}
171
172const DrmProperty &DrmPlane::src_y_property() const {
173  return src_y_property_;
174}
175
176const DrmProperty &DrmPlane::src_w_property() const {
177  return src_w_property_;
178}
179
180const DrmProperty &DrmPlane::src_h_property() const {
181  return src_h_property_;
182}
183
184const DrmProperty &DrmPlane::rotation_property() const {
185  return rotation_property_;
186}
187
188const DrmProperty &DrmPlane::alpha_property() const {
189  return alpha_property_;
190}
191}
192