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/*
* 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.
*/
#ifndef ANDROID_DRM_PROPERTY_H_
#define ANDROID_DRM_PROPERTY_H_
#include <stdint.h>
#include <xf86drmMode.h>
#include <string>
#include <unordered_map>
#include <vector>
namespace android {
enum DrmPropertyType {
DRM_PROPERTY_TYPE_INT,
DRM_PROPERTY_TYPE_ENUM,
DRM_PROPERTY_TYPE_OBJECT,
DRM_PROPERTY_TYPE_BLOB,
DRM_PROPERTY_TYPE_BITMASK,
DRM_PROPERTY_TYPE_INVALID,
};
class DrmProperty {
public:
DrmProperty() = default;
DrmProperty(drmModePropertyPtr p, uint64_t value);
DrmProperty(const DrmProperty &) = delete;
DrmProperty &operator=(const DrmProperty &) = delete;
void init(drmModePropertyPtr p, uint64_t value);
void setName(std::string name) { name_ = name; };
std::tuple<uint64_t, int> getEnumValueWithName(std::string name) const;
uint32_t id() const;
std::string name() const;
std::tuple<int, uint64_t> value() const;
bool isImmutable() const;
bool isRange() const;
bool isSignedRange() const;
bool isBitmask() const;
std::tuple<int, uint64_t> rangeMin() const;
std::tuple<int, uint64_t> rangeMax() const;
bool validateChange(uint64_t value) const;
void updateValue(const uint64_t value);
void printProperty() const;
private:
class DrmPropertyEnum {
public:
DrmPropertyEnum(drm_mode_property_enum *e);
~DrmPropertyEnum();
uint64_t value_;
std::string name_;
};
uint32_t id_ = 0;
DrmPropertyType type_ = DRM_PROPERTY_TYPE_INVALID;
uint32_t flags_ = 0;
std::string name_;
uint64_t value_ = 0;
std::vector<uint64_t> values_;
std::vector<DrmPropertyEnum> enums_;
std::vector<uint32_t> blob_ids_;
};
class DrmEnumParser {
public:
using MapHal2DrmEnum = std::unordered_map<uint32_t, uint64_t>;
static std::tuple<uint64_t, int> halToDrmEnum(const uint32_t halData,
const MapHal2DrmEnum& drmEnums);
static void parseEnums(const DrmProperty &property,
const std::vector<std::pair<uint32_t, const char *>> &enums,
MapHal2DrmEnum& out_enums);
};
} // namespace android
#endif // ANDROID_DRM_PROPERTY_H_
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