137 lines
3.3 KiB
C++
137 lines
3.3 KiB
C++
/*
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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 "drmresources.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_(""), p_(p) {
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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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else if (flags_ & DRM_MODE_PROP_BITMASK)
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type_ = DRM_PROPERTY_TYPE_BITMASK;
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feature_name_ = NULL;
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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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void DrmProperty::set_feature(const char* pcFeature) const{
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feature_name_ = pcFeature;
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}
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int DrmProperty::value(uint64_t *value) const {
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if (type_ == DRM_PROPERTY_TYPE_BLOB) {
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*value = value_;
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return 0;
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}
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if (values_.size() == 0)
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return -ENOENT;
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switch (type_) {
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case DRM_PROPERTY_TYPE_INT:
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*value = value_;
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return 0;
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case DRM_PROPERTY_TYPE_ENUM:
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if (value_ >= enums_.size())
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return -ENOENT;
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*value = enums_[value_].value_;
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return 0;
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case DRM_PROPERTY_TYPE_OBJECT:
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*value = value_;
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return 0;
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case DRM_PROPERTY_TYPE_BITMASK:
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if(feature_name_ == NULL)
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{
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ALOGE("You don't set feature name for %s",name_.c_str());
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return -EINVAL;
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}
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//if(!strcmp(feature_name_,"scale"))
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if(strlen(feature_name_) > 0)
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{
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for (auto &drm_enum : enums_)
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{
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if(!strncmp(drm_enum.name_.c_str(),(const char*)feature_name_,strlen(feature_name_)))
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{
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*value = (value_ & (1LL << drm_enum.value_));
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break;
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}
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}
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}
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else
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{
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*value = value_;
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}
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return 0;
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default:
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return -EINVAL;
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}
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}
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}
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