1 /*
2 * Copyright (C) 2025 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 "ratUtils.h"
18
19 namespace aidl {
20 namespace android {
21 namespace hardware {
22 namespace radio {
23 namespace implementation {
24 namespace ratUtils {
25
supportedRadioTechBitmask(const ModemTechnology mtech)26 uint32_t supportedRadioTechBitmask(const ModemTechnology mtech) {
27 static constexpr uint32_t kTechsBitmask[] = {
28 kGSM, kWCDMA, kCDMA, kEVDO, kTDSCDMA, kLTE, kNR,
29 };
30
31 const size_t i = static_cast<size_t>(mtech);
32 if (i < (sizeof(kTechsBitmask) / sizeof(kTechsBitmask[0]))) {
33 return kTechsBitmask[i];
34 } else {
35 return 0;
36 }
37 }
38
currentRadioTechnology(const ModemTechnology mtech)39 RadioTechnology currentRadioTechnology(const ModemTechnology mtech) {
40 static constexpr RadioTechnology kCurrentTech[] = {
41 RadioTechnology::EDGE,
42 RadioTechnology::HSPA,
43 RadioTechnology::IS95B,
44 RadioTechnology::EVDO_B,
45 RadioTechnology::TD_SCDMA,
46 RadioTechnology::LTE,
47 RadioTechnology::NR,
48 };
49
50 const size_t i = static_cast<size_t>(mtech);
51 if (i < (sizeof(kCurrentTech) / sizeof(kCurrentTech[0]))) {
52 return kCurrentTech[i];
53 } else {
54 return RadioTechnology::EDGE;
55 }
56 }
57
modemTechnologyFromRadioTechnologyBitmask(const uint32_t radioTechnologyBitmask)58 ModemTechnology modemTechnologyFromRadioTechnologyBitmask(
59 const uint32_t radioTechnologyBitmask) {
60 if (radioTechnologyBitmask & kNR) {
61 return ModemTechnology::NR;
62 }
63 if (radioTechnologyBitmask & kLTE) {
64 return ModemTechnology::LTE;
65 }
66 if (radioTechnologyBitmask & kTDSCDMA) {
67 return ModemTechnology::TDSCDMA;
68 }
69 if (radioTechnologyBitmask & kEVDO) {
70 return ModemTechnology::EVDO;
71 }
72 if (radioTechnologyBitmask & kCDMA) {
73 return ModemTechnology::CDMA;
74 }
75 if (radioTechnologyBitmask & kWCDMA) {
76 return ModemTechnology::WCDMA;
77 }
78 return ModemTechnology::GSM;
79 }
80
modemTechnologyBitmaskFromRadioTechnologyBitmask(const uint32_t radioTechnologyBitmask)81 uint32_t modemTechnologyBitmaskFromRadioTechnologyBitmask(
82 const uint32_t radioTechnologyBitmask) {
83 uint32_t modemTechnologyBitmask = 0;
84
85 const auto mtechBit = [](const ModemTechnology mtech){
86 return 1U << static_cast<unsigned>(mtech);
87 };
88
89 if (radioTechnologyBitmask & kNR) {
90 modemTechnologyBitmask |=
91 mtechBit(ModemTechnology::NR);
92 }
93 if (radioTechnologyBitmask & kLTE) {
94 modemTechnologyBitmask |=
95 mtechBit(ModemTechnology::LTE);
96 }
97 if (radioTechnologyBitmask & kTDSCDMA) {
98 modemTechnologyBitmask |=
99 mtechBit(ModemTechnology::TDSCDMA);
100 }
101 if (radioTechnologyBitmask & kEVDO) {
102 modemTechnologyBitmask |=
103 mtechBit(ModemTechnology::EVDO);
104 }
105 if (radioTechnologyBitmask & kCDMA) {
106 modemTechnologyBitmask |=
107 mtechBit(ModemTechnology::CDMA);
108 }
109 if (radioTechnologyBitmask & kWCDMA) {
110 modemTechnologyBitmask |=
111 mtechBit(ModemTechnology::WCDMA);
112 }
113
114 if (radioTechnologyBitmask & kGSM) {
115 modemTechnologyBitmask |=
116 mtechBit(ModemTechnology::GSM);
117 }
118
119 return modemTechnologyBitmask;
120 }
121
122
123 } // namespace ratUtils
124 } // namespace implementation
125 } // namespace radio
126 } // namespace hardware
127 } // namespace android
128 } // namespace aidl
129