You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
136 lines
3.4 KiB
136 lines
3.4 KiB
/*
|
|
* 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 <errno.h>
|
|
#include <stdint.h>
|
|
#include <xf86drmMode.h>
|
|
|
|
#include <string>
|
|
|
|
#include "DrmDevice.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_;
|
|
}
|
|
|
|
std::tuple<int, uint64_t> DrmProperty::value() const {
|
|
if (type_ == DRM_PROPERTY_TYPE_BLOB)
|
|
return std::make_tuple(0, value_);
|
|
|
|
if (values_.size() == 0)
|
|
return std::make_tuple(-ENOENT, 0);
|
|
|
|
switch (type_) {
|
|
case DRM_PROPERTY_TYPE_INT:
|
|
return std::make_tuple(0, value_);
|
|
|
|
case DRM_PROPERTY_TYPE_ENUM:
|
|
if (value_ >= enums_.size())
|
|
return std::make_tuple(-ENOENT, 0);
|
|
|
|
return std::make_tuple(0, enums_[value_].value_);
|
|
|
|
case DRM_PROPERTY_TYPE_OBJECT:
|
|
return std::make_tuple(0, value_);
|
|
|
|
default:
|
|
return std::make_tuple(-EINVAL, 0);
|
|
}
|
|
}
|
|
|
|
bool DrmProperty::is_immutable() const {
|
|
return id_ && (flags_ & DRM_MODE_PROP_IMMUTABLE);
|
|
}
|
|
|
|
bool DrmProperty::is_range() const {
|
|
return id_ && (flags_ & DRM_MODE_PROP_RANGE);
|
|
}
|
|
|
|
std::tuple<int, uint64_t> DrmProperty::range_min() const {
|
|
if (!is_range())
|
|
return std::make_tuple(-EINVAL, 0);
|
|
if (values_.size() < 1)
|
|
return std::make_tuple(-ENOENT, 0);
|
|
|
|
return std::make_tuple(0, values_[0]);
|
|
}
|
|
|
|
std::tuple<int, uint64_t> DrmProperty::range_max() const {
|
|
if (!is_range())
|
|
return std::make_tuple(-EINVAL, 0);
|
|
if (values_.size() < 2)
|
|
return std::make_tuple(-ENOENT, 0);
|
|
|
|
return std::make_tuple(0, values_[1]);
|
|
}
|
|
|
|
std::tuple<uint64_t, int> DrmProperty::GetEnumValueWithName(
|
|
std::string name) const {
|
|
for (auto it : enums_) {
|
|
if (it.name_.compare(name) == 0) {
|
|
return std::make_tuple(it.value_, 0);
|
|
}
|
|
}
|
|
|
|
return std::make_tuple(UINT64_MAX, -EINVAL);
|
|
}
|
|
} // namespace android
|