xref: /aosp_15_r20/system/chre/platform/shared/platform_wwan.cc (revision 84e339476a462649f82315436d70fd732297a399) 
1 /*
2  * Copyright (C) 2017 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 #ifdef CHRE_WWAN_SUPPORT_ENABLED
18 
19 #include "chre/platform/platform_wwan.h"
20 
21 #include <cinttypes>
22 
23 #include "chre/core/event_loop_manager.h"
24 #include "chre/platform/log.h"
25 #include "chre/platform/shared/pal_system_api.h"
26 
27 namespace chre {
28 
29 const chrePalWwanCallbacks PlatformWwanBase::sWwanCallbacks = {
30     PlatformWwanBase::cellInfoResultCallback,
31 };
32 
~PlatformWwan()33 PlatformWwan::~PlatformWwan() {
34   if (mWwanApi != nullptr) {
35     LOGD("Platform WWAN closing");
36     prePalApiCall(PalType::WWAN);
37     mWwanApi->close();
38     LOGD("Platform WWAN closed");
39   }
40 }
41 
init()42 void PlatformWwan::init() {
43   prePalApiCall(PalType::WWAN);
44   mWwanApi = chrePalWwanGetApi(CHRE_PAL_WWAN_API_CURRENT_VERSION);
45   if (mWwanApi != nullptr) {
46     if (!mWwanApi->open(&gChrePalSystemApi, &sWwanCallbacks)) {
47       LOGE("WWAN PAL open returned false");
48 
49 #ifdef CHRE_TELEMETRY_SUPPORT_ENABLED
50       EventLoopManagerSingleton::get()->getTelemetryManager().onPalOpenFailure(
51           TelemetryManager::PalType::WWAN);
52 #endif  // CHRE_TELEMETRY_SUPPORT_ENABLED
53 
54       mWwanApi = nullptr;
55     } else {
56       LOGD("Opened WWAN PAL version 0x%08" PRIx32, mWwanApi->moduleVersion);
57     }
58   } else {
59     LOGW("Requested WWAN PAL (version 0x%08" PRIx32 ") not found",
60          CHRE_PAL_WWAN_API_CURRENT_VERSION);
61   }
62 }
63 
getCapabilities()64 uint32_t PlatformWwan::getCapabilities() {
65   if (mWwanApi != nullptr) {
66     prePalApiCall(PalType::WWAN);
67     return mWwanApi->getCapabilities();
68   } else {
69     return CHRE_WWAN_CAPABILITIES_NONE;
70   }
71 }
72 
requestCellInfo()73 bool PlatformWwan::requestCellInfo() {
74   if (mWwanApi != nullptr) {
75     prePalApiCall(PalType::WWAN);
76     return mWwanApi->requestCellInfo();
77   } else {
78     return false;
79   }
80 }
81 
releaseCellInfoResult(chreWwanCellInfoResult * result)82 void PlatformWwan::releaseCellInfoResult(chreWwanCellInfoResult *result) {
83   if (mWwanApi != nullptr) {
84     prePalApiCall(PalType::WWAN);
85     mWwanApi->releaseCellInfoResult(result);
86   }
87 }
88 
cellInfoResultCallback(struct chreWwanCellInfoResult * result)89 void PlatformWwanBase::cellInfoResultCallback(
90     struct chreWwanCellInfoResult *result) {
91   EventLoopManagerSingleton::get()
92       ->getWwanRequestManager()
93       .handleCellInfoResult(result);
94 }
95 
96 }  // namespace chre
97 
98 #endif  // CHRE_WWAN_SUPPORT_ENABLED
99