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 #ifndef ANDROID_HARDWARE_BROADCASTRADIO_V1_1_BROADCASTRADIO_H
17 #define ANDROID_HARDWARE_BROADCASTRADIO_V1_1_BROADCASTRADIO_H
18 
19 #include "Tuner.h"
20 
21 #include <android/hardware/broadcastradio/1.1/IBroadcastRadio.h>
22 #include <android/hardware/broadcastradio/1.1/types.h>
23 
24 namespace android {
25 namespace hardware {
26 namespace broadcastradio {
27 namespace V1_1 {
28 namespace implementation {
29 
30 struct AmFmBandConfig {
31     V1_0::Band type;
32     uint32_t lowerLimit;             // kHz
33     uint32_t upperLimit;             // kHz
34     std::vector<uint32_t> spacings;  // kHz
35 };
36 
37 struct ModuleConfig {
38     std::string productName;
39     std::vector<AmFmBandConfig> amFmBands;
40 };
41 
42 struct BroadcastRadio : public V1_1::IBroadcastRadio {
43     /**
44      * Constructs new broadcast radio module.
45      *
46      * Before calling a constructor with a given classId, it must be checked with isSupported
47      * method first. Otherwise it results in undefined behaviour.
48      *
49      * @param classId type of a radio.
50      */
51     BroadcastRadio(V1_0::Class classId);
52 
53     /**
54      * Checks, if a given radio type is supported.
55      *
56      * @param classId type of a radio.
57      */
58     static bool isSupported(V1_0::Class classId);
59 
60     // V1_1::IBroadcastRadio methods
61     Return<void> getProperties(getProperties_cb _hidl_cb) override;
62     Return<void> getProperties_1_1(getProperties_1_1_cb _hidl_cb) override;
63     Return<void> openTuner(const V1_0::BandConfig& config, bool audio,
64                            const sp<V1_0::ITunerCallback>& callback,
65                            openTuner_cb _hidl_cb) override;
66     Return<void> getImage(int32_t id, getImage_cb _hidl_cb);
67 
68     std::vector<V1_0::BandConfig> getAmFmBands() const;
69 
70    private:
71     std::mutex mMut;
72     V1_0::Class mClassId;
73     ModuleConfig mConfig;
74     wp<Tuner> mTuner;
75 };
76 
77 }  // namespace implementation
78 }  // namespace V1_1
79 }  // namespace broadcastradio
80 }  // namespace hardware
81 }  // namespace android
82 
83 #endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_1_BROADCASTRADIO_H
84