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134 lines
3.4 KiB
134 lines
3.4 KiB
/* |
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* Copyright (C) 2015 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#include "drmproperty.h" |
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#include "drmdevice.h" |
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#include <errno.h> |
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#include <stdint.h> |
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#include <string> |
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#include <xf86drmMode.h> |
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namespace android { |
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DrmProperty::DrmPropertyEnum::DrmPropertyEnum(drm_mode_property_enum *e) |
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: value_(e->value), name_(e->name) { |
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} |
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DrmProperty::DrmPropertyEnum::~DrmPropertyEnum() { |
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} |
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DrmProperty::DrmProperty(drmModePropertyPtr p, uint64_t value) |
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: id_(0), type_(DRM_PROPERTY_TYPE_INVALID), flags_(0), name_("") { |
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Init(p, value); |
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} |
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void DrmProperty::Init(drmModePropertyPtr p, uint64_t value) { |
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id_ = p->prop_id; |
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flags_ = p->flags; |
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name_ = p->name; |
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value_ = value; |
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for (int i = 0; i < p->count_values; ++i) |
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values_.push_back(p->values[i]); |
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for (int i = 0; i < p->count_enums; ++i) |
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enums_.push_back(DrmPropertyEnum(&p->enums[i])); |
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for (int i = 0; i < p->count_blobs; ++i) |
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blob_ids_.push_back(p->blob_ids[i]); |
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if (flags_ & DRM_MODE_PROP_RANGE) |
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type_ = DRM_PROPERTY_TYPE_INT; |
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else if (flags_ & DRM_MODE_PROP_ENUM) |
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type_ = DRM_PROPERTY_TYPE_ENUM; |
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else if (flags_ & DRM_MODE_PROP_OBJECT) |
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type_ = DRM_PROPERTY_TYPE_OBJECT; |
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else if (flags_ & DRM_MODE_PROP_BLOB) |
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type_ = DRM_PROPERTY_TYPE_BLOB; |
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} |
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uint32_t DrmProperty::id() const { |
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return id_; |
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} |
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std::string DrmProperty::name() const { |
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return name_; |
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} |
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std::tuple<int, uint64_t> DrmProperty::value() const { |
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if (type_ == DRM_PROPERTY_TYPE_BLOB) |
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return std::make_tuple(0, value_); |
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if (values_.size() == 0) |
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return std::make_tuple(-ENOENT, 0); |
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switch (type_) { |
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case DRM_PROPERTY_TYPE_INT: |
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return std::make_tuple(0, value_); |
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case DRM_PROPERTY_TYPE_ENUM: |
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if (value_ >= enums_.size()) |
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return std::make_tuple(-ENOENT, 0); |
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return std::make_tuple(0, enums_[value_].value_); |
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case DRM_PROPERTY_TYPE_OBJECT: |
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return std::make_tuple(0, value_); |
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default: |
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return std::make_tuple(-EINVAL, 0); |
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} |
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} |
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bool DrmProperty::is_immutable() const { |
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return id_ && (flags_ & DRM_MODE_PROP_IMMUTABLE); |
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} |
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bool DrmProperty::is_range() const { |
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return id_ && (flags_ & DRM_MODE_PROP_RANGE); |
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} |
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std::tuple<int, uint64_t> DrmProperty::range_min() const { |
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if (!is_range()) |
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return std::make_tuple(-EINVAL, 0); |
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if (values_.size() < 1) |
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return std::make_tuple(-ENOENT, 0); |
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return std::make_tuple(0, values_[0]); |
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} |
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std::tuple<int, uint64_t> DrmProperty::range_max() const { |
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if (!is_range()) |
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return std::make_tuple(-EINVAL, 0); |
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if (values_.size() < 2) |
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return std::make_tuple(-ENOENT, 0); |
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return std::make_tuple(0, values_[1]); |
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} |
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std::tuple<uint64_t, int> DrmProperty::GetEnumValueWithName( |
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std::string name) const { |
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for (auto it : enums_) { |
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if (it.name_.compare(name) == 0) { |
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return std::make_tuple(it.value_, 0); |
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} |
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} |
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return std::make_tuple(UINT64_MAX, -EINVAL); |
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} |
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} // namespace android
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