| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "drmproperty.h" |
| #include "drmresources.h" |
| |
| #include <errno.h> |
| #include <stdint.h> |
| #include <string> |
| |
| #include <xf86drmMode.h> |
| |
| namespace android { |
| |
| DrmProperty::DrmPropertyEnum::DrmPropertyEnum(drm_mode_property_enum *e) |
| : value_(e->value), name_(e->name) { |
| } |
| |
| DrmProperty::DrmPropertyEnum::~DrmPropertyEnum() { |
| } |
| |
| DrmProperty::DrmProperty(drmModePropertyPtr p, uint64_t value) |
| : id_(0), type_(DRM_PROPERTY_TYPE_INVALID), flags_(0), name_("") { |
| Init(p, value); |
| } |
| |
| void DrmProperty::Init(drmModePropertyPtr p, uint64_t value) { |
| id_ = p->prop_id; |
| flags_ = p->flags; |
| name_ = p->name; |
| value_ = value; |
| |
| for (int i = 0; i < p->count_values; ++i) |
| values_.push_back(p->values[i]); |
| |
| for (int i = 0; i < p->count_enums; ++i) |
| enums_.push_back(DrmPropertyEnum(&p->enums[i])); |
| |
| for (int i = 0; i < p->count_blobs; ++i) |
| blob_ids_.push_back(p->blob_ids[i]); |
| |
| if (flags_ & DRM_MODE_PROP_RANGE) |
| type_ = DRM_PROPERTY_TYPE_INT; |
| else if (flags_ & DRM_MODE_PROP_ENUM) |
| type_ = DRM_PROPERTY_TYPE_ENUM; |
| else if (flags_ & DRM_MODE_PROP_OBJECT) |
| type_ = DRM_PROPERTY_TYPE_OBJECT; |
| else if (flags_ & DRM_MODE_PROP_BLOB) |
| type_ = DRM_PROPERTY_TYPE_BLOB; |
| } |
| |
| uint32_t DrmProperty::id() const { |
| return id_; |
| } |
| |
| std::string DrmProperty::name() const { |
| return name_; |
| } |
| |
| int DrmProperty::value(uint64_t *value) const { |
| if (type_ == DRM_PROPERTY_TYPE_BLOB) { |
| *value = value_; |
| return 0; |
| } |
| |
| if (values_.size() == 0) |
| return -ENOENT; |
| |
| switch (type_) { |
| case DRM_PROPERTY_TYPE_INT: |
| *value = value_; |
| return 0; |
| |
| case DRM_PROPERTY_TYPE_ENUM: |
| if (value_ >= enums_.size()) |
| return -ENOENT; |
| |
| *value = enums_[value_].value_; |
| return 0; |
| |
| case DRM_PROPERTY_TYPE_OBJECT: |
| *value = value_; |
| return 0; |
| |
| default: |
| return -EINVAL; |
| } |
| } |
| } |