1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "drmproperty.h"
18 #include "drmdevice.h"
19
20 #include <errno.h>
21 #include <stdint.h>
22 #include <string>
23
24 #include <xf86drmMode.h>
25 #include <log/log.h>
26 #include <inttypes.h>
27
28 namespace android {
29
DrmPropertyEnum(drm_mode_property_enum * e)30 DrmProperty::DrmPropertyEnum::DrmPropertyEnum(drm_mode_property_enum *e)
31 : value_(e->value), name_(e->name) {
32 }
33
~DrmPropertyEnum()34 DrmProperty::DrmPropertyEnum::~DrmPropertyEnum() {
35 }
36
DrmProperty(drmModePropertyPtr p,uint64_t value)37 DrmProperty::DrmProperty(drmModePropertyPtr p, uint64_t value)
38 : id_(0), type_(DRM_PROPERTY_TYPE_INVALID), flags_(0), name_("") {
39 Init(p, value);
40 }
41
Init(drmModePropertyPtr p,uint64_t value)42 void DrmProperty::Init(drmModePropertyPtr p, uint64_t value) {
43 id_ = p->prop_id;
44 flags_ = p->flags;
45 name_ = p->name;
46 value_ = value;
47
48 for (int i = 0; i < p->count_values; ++i)
49 values_.push_back(p->values[i]);
50
51 for (int i = 0; i < p->count_enums; ++i)
52 enums_.push_back(DrmPropertyEnum(&p->enums[i]));
53
54 for (int i = 0; i < p->count_blobs; ++i)
55 blob_ids_.push_back(p->blob_ids[i]);
56
57 if ((flags_ & DRM_MODE_PROP_RANGE) ||
58 (flags_ & DRM_MODE_PROP_SIGNED_RANGE))
59 type_ = DRM_PROPERTY_TYPE_INT;
60 else if (flags_ & DRM_MODE_PROP_ENUM)
61 type_ = DRM_PROPERTY_TYPE_ENUM;
62 else if (flags_ & DRM_MODE_PROP_OBJECT)
63 type_ = DRM_PROPERTY_TYPE_OBJECT;
64 else if (flags_ & DRM_MODE_PROP_BLOB)
65 type_ = DRM_PROPERTY_TYPE_BLOB;
66 else if (flags_ & DRM_MODE_PROP_BITMASK)
67 type_ = DRM_PROPERTY_TYPE_BITMASK;
68 }
69
id() const70 uint32_t DrmProperty::id() const {
71 return id_;
72 }
73
name() const74 std::string DrmProperty::name() const {
75 return name_;
76 }
77
value() const78 std::tuple<int, uint64_t> DrmProperty::value() const {
79 if (type_ == DRM_PROPERTY_TYPE_BLOB)
80 return std::make_tuple(0, value_);
81
82 if (values_.size() == 0)
83 return std::make_tuple(-ENOENT, 0);
84
85 switch (type_) {
86 case DRM_PROPERTY_TYPE_INT:
87 return std::make_tuple(0, value_);
88
89 case DRM_PROPERTY_TYPE_BITMASK:
90 return std::make_tuple(0, value_);
91
92 case DRM_PROPERTY_TYPE_ENUM:
93 if (value_ >= enums_.size())
94 return std::make_tuple(-ENOENT, 0);
95
96 return std::make_tuple(0, enums_[value_].value_);
97
98 case DRM_PROPERTY_TYPE_OBJECT:
99 return std::make_tuple(0, value_);
100
101 default:
102 return std::make_tuple(-EINVAL, 0);
103 }
104 }
105
printProperty() const106 void DrmProperty::printProperty() const
107 {
108 ALOGD("=====================================================");
109 ALOGD("name: %s, type(%d), value_(%" PRId64 ")", name_.c_str(), type_, value_);
110 ALOGD("values.size(%zu)", values_.size());
111 for(uint32_t i = 0; i < values_.size(); i++) {
112 ALOGD("[%d] %" PRId64 "", i, values_[i]);
113 }
114 ALOGD("enums.size(%zu)", enums_.size());
115 uint32_t i = 0;
116 for (auto const &it : enums_) {
117 ALOGD("[%d] %s %" PRId64 "", i++, it.name_.c_str(), it.value_);
118 }
119 }
120
is_immutable() const121 bool DrmProperty::is_immutable() const {
122 return id_ && (flags_ & DRM_MODE_PROP_IMMUTABLE);
123 }
124
is_range() const125 bool DrmProperty::is_range() const {
126 return id_ && (flags_ & DRM_MODE_PROP_RANGE);
127 }
128
range_min() const129 std::tuple<int, uint64_t> DrmProperty::range_min() const {
130 if (!is_range())
131 return std::make_tuple(-EINVAL, 0);
132 if (values_.size() < 1)
133 return std::make_tuple(-ENOENT, 0);
134
135 return std::make_tuple(0, values_[0]);
136 }
137
range_max() const138 std::tuple<int, uint64_t> DrmProperty::range_max() const {
139 if (!is_range())
140 return std::make_tuple(-EINVAL, 0);
141 if (values_.size() < 2)
142 return std::make_tuple(-ENOENT, 0);
143
144 return std::make_tuple(0, values_[1]);
145 }
146
GetEnumValueWithName(std::string name) const147 std::tuple<uint64_t, int> DrmProperty::GetEnumValueWithName(
148 std::string name) const {
149 for (auto it : enums_) {
150 if (it.name_.compare(name) == 0) {
151 return std::make_tuple(it.value_, 0);
152 }
153 }
154
155 return std::make_tuple(UINT64_MAX, -EINVAL);
156 }
157
UpdateValue(uint64_t value)158 void DrmProperty::UpdateValue(uint64_t value) {
159 value_ = value;
160 }
161 } // namespace android
162