1 /*
2  * Copyright (C) 2016 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 #ifndef android_hardware_gnss_V1_0_AGnssRil_H_
18 #define android_hardware_gnss_V1_0_AGnssRil_H_
19 
20 #include <ThreadCreationWrapper.h>
21 #include <android/hardware/gnss/1.0/IAGnssRil.h>
22 #include <hardware/gps.h>
23 #include <hidl/Status.h>
24 
25 namespace android {
26 namespace hardware {
27 namespace gnss {
28 namespace V1_0 {
29 namespace implementation {
30 
31 using ::android::hardware::gnss::V1_0::IAGnssRil;
32 using ::android::hardware::gnss::V1_0::IAGnssRilCallback;
33 using ::android::hardware::Return;
34 using ::android::hardware::Void;
35 using ::android::hardware::hidl_vec;
36 using ::android::hardware::hidl_string;
37 using ::android::sp;
38 
39 /*
40  * Extended interface for AGNSS RIL support. An Assisted GNSS Radio Interface Layer interface
41  * allows the GNSS chipset to request radio interface layer information from Android platform.
42  * Examples of such information are reference location, unique subscriber ID, phone number string
43  * and network availability changes. Also contains wrapper methods to allow methods from
44  * IAGnssiRilCallback interface to be passed into the conventional implementation of the GNSS HAL.
45  */
46 struct AGnssRil : public IAGnssRil {
47     AGnssRil(const AGpsRilInterface* aGpsRilIface);
48     ~AGnssRil();
49 
50     /*
51      * Methods from ::android::hardware::gnss::V1_0::IAGnssRil follow.
52      * These declarations were generated from IAGnssRil.hal.
53      */
54     Return<void> setCallback(const sp<IAGnssRilCallback>& callback) override;
55     Return<void> setRefLocation(const IAGnssRil::AGnssRefLocation& agnssReflocation) override;
56     Return<bool> setSetId(IAGnssRil::SetIDType type, const hidl_string& setid) override;
57     Return<bool> updateNetworkState(bool connected,
58                                     IAGnssRil::NetworkType type,
59                                     bool roaming) override;
60     Return<bool> updateNetworkAvailability(bool available, const hidl_string& apn) override;
61     static void requestSetId(uint32_t flags);
62     static void requestRefLoc(uint32_t flags);
63 
64     /*
65      * Callback method to be passed into the conventional GNSS HAL by the default
66      * implementation. This method is not part of the IAGnssRil base class.
67      */
68     static pthread_t createThreadCb(const char* name, void (*start)(void*), void* arg);
69 
70     /*
71      * Holds function pointers to the callback methods.
72      */
73     static AGpsRilCallbacks sAGnssRilCb;
74 
75  private:
76     const AGpsRilInterface* mAGnssRilIface = nullptr;
77     static sp<IAGnssRilCallback> sAGnssRilCbIface;
78     static std::vector<std::unique_ptr<ThreadFuncArgs>> sThreadFuncArgsList;
79     static bool sInterfaceExists;
80 };
81 
82 }  // namespace implementation
83 }  // namespace V1_0
84 }  // namespace gnss
85 }  // namespace hardware
86 }  // namespace android
87 
88 #endif  // android_hardware_gnss_V1_0_AGnssRil_H_
89