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 #define LOG_TAG "Tuner"
18 //#define LOG_NDEBUG 0
19 
20 #include <log/log.h>
21 
22 #include "BroadcastRadio.h"
23 #include "Tuner.h"
24 #include "Utils.h"
25 #include <system/RadioMetadataWrapper.h>
26 
27 namespace android {
28 namespace hardware {
29 namespace broadcastradio {
30 namespace V1_0 {
31 namespace implementation {
32 
onCallback(radio_hal_event_t * halEvent)33 void Tuner::onCallback(radio_hal_event_t *halEvent)
34 {
35     BandConfig config;
36     ProgramInfo info;
37     hidl_vec<MetaData> metadata;
38 
39     if (mCallback != 0) {
40         switch(halEvent->type) {
41         case RADIO_EVENT_CONFIG:
42             Utils::convertBandConfigFromHal(&config, &halEvent->config);
43             mCallback->configChange(Utils::convertHalResult(halEvent->status), config);
44             break;
45         case RADIO_EVENT_ANTENNA:
46             mCallback->antennaStateChange(halEvent->on);
47             break;
48         case RADIO_EVENT_TUNED:
49             Utils::convertProgramInfoFromHal(&info, &halEvent->info);
50             mCallback->tuneComplete(Utils::convertHalResult(halEvent->status), info);
51             break;
52         case RADIO_EVENT_METADATA: {
53             uint32_t channel;
54             uint32_t sub_channel;
55             if (radio_metadata_get_channel(halEvent->metadata, &channel, &sub_channel) == 0) {
56                 Utils::convertMetaDataFromHal(metadata, halEvent->metadata);
57                 mCallback->newMetadata(channel, sub_channel, metadata);
58             }
59             } break;
60         case RADIO_EVENT_TA:
61             mCallback->trafficAnnouncement(halEvent->on);
62             break;
63         case RADIO_EVENT_AF_SWITCH:
64             Utils::convertProgramInfoFromHal(&info, &halEvent->info);
65             mCallback->afSwitch(info);
66             break;
67         case RADIO_EVENT_EA:
68             mCallback->emergencyAnnouncement(halEvent->on);
69             break;
70         case RADIO_EVENT_HW_FAILURE:
71         default:
72             mCallback->hardwareFailure();
73             break;
74         }
75     }
76 }
77 
78 //static
callback(radio_hal_event_t * halEvent,void * cookie)79 void Tuner::callback(radio_hal_event_t *halEvent, void *cookie)
80 {
81     wp<Tuner> weak(reinterpret_cast<Tuner*>(cookie));
82     sp<Tuner> tuner = weak.promote();
83     if (tuner == 0) return;
84     tuner->onCallback(halEvent);
85 }
86 
Tuner(const sp<ITunerCallback> & callback,const wp<BroadcastRadio> & parentDevice)87 Tuner::Tuner(const sp<ITunerCallback>& callback, const wp<BroadcastRadio>& parentDevice)
88     : mHalTuner(NULL), mCallback(callback), mParentDevice(parentDevice)
89 {
90     ALOGV("%s", __FUNCTION__);
91 }
92 
93 
~Tuner()94 Tuner::~Tuner()
95 {
96     ALOGV("%s", __FUNCTION__);
97     const sp<BroadcastRadio> parentDevice = mParentDevice.promote();
98     if (parentDevice != 0) {
99         parentDevice->closeHalTuner(mHalTuner);
100     }
101 }
102 
103 // Methods from ::android::hardware::broadcastradio::V1_0::ITuner follow.
setConfiguration(const BandConfig & config)104 Return<Result> Tuner::setConfiguration(const BandConfig& config)  {
105     ALOGV("%s", __FUNCTION__);
106     if (mHalTuner == NULL) {
107         return Utils::convertHalResult(-ENODEV);
108     }
109     radio_hal_band_config_t halConfig;
110     Utils::convertBandConfigToHal(&halConfig, &config);
111     int rc = mHalTuner->set_configuration(mHalTuner, &halConfig);
112     return Utils::convertHalResult(rc);
113 }
114 
getConfiguration(getConfiguration_cb _hidl_cb)115 Return<void> Tuner::getConfiguration(getConfiguration_cb _hidl_cb)  {
116     int rc;
117     radio_hal_band_config_t halConfig;
118     BandConfig config;
119 
120     ALOGV("%s", __FUNCTION__);
121     if (mHalTuner == NULL) {
122         rc = -ENODEV;
123         goto exit;
124     }
125     rc = mHalTuner->get_configuration(mHalTuner, &halConfig);
126     if (rc == 0) {
127         Utils::convertBandConfigFromHal(&config, &halConfig);
128     }
129 
130 exit:
131     _hidl_cb(Utils::convertHalResult(rc), config);
132     return Void();
133 }
134 
scan(Direction direction,bool skipSubChannel)135 Return<Result> Tuner::scan(Direction direction, bool skipSubChannel)  {
136     if (mHalTuner == NULL) {
137         return Utils::convertHalResult(-ENODEV);
138     }
139     int rc = mHalTuner->scan(mHalTuner, static_cast<radio_direction_t>(direction), skipSubChannel);
140     return Utils::convertHalResult(rc);
141 }
142 
step(Direction direction,bool skipSubChannel)143 Return<Result> Tuner::step(Direction direction, bool skipSubChannel)  {
144     if (mHalTuner == NULL) {
145         return Utils::convertHalResult(-ENODEV);
146     }
147     int rc = mHalTuner->step(mHalTuner, static_cast<radio_direction_t>(direction), skipSubChannel);
148     return Utils::convertHalResult(rc);
149 }
150 
tune(uint32_t channel,uint32_t subChannel)151 Return<Result> Tuner::tune(uint32_t channel, uint32_t subChannel)  {
152     if (mHalTuner == NULL) {
153         return Utils::convertHalResult(-ENODEV);
154     }
155     int rc = mHalTuner->tune(mHalTuner, channel, subChannel);
156     return Utils::convertHalResult(rc);
157 }
158 
cancel()159 Return<Result> Tuner::cancel()  {
160     if (mHalTuner == NULL) {
161         return Utils::convertHalResult(-ENODEV);
162     }
163     int rc = mHalTuner->cancel(mHalTuner);
164     return Utils::convertHalResult(rc);
165 }
166 
getProgramInformation(getProgramInformation_cb _hidl_cb)167 Return<void> Tuner::getProgramInformation(getProgramInformation_cb _hidl_cb)  {
168     int rc;
169     radio_program_info_t halInfo;
170     RadioMetadataWrapper metadataWrapper(&halInfo.metadata);
171     ProgramInfo info;
172 
173     ALOGV("%s", __FUNCTION__);
174     if (mHalTuner == NULL) {
175         rc = -ENODEV;
176         goto exit;
177     }
178 
179     rc = mHalTuner->get_program_information(mHalTuner, &halInfo);
180     if (rc == 0) {
181         Utils::convertProgramInfoFromHal(&info, &halInfo);
182     }
183 
184 exit:
185     _hidl_cb(Utils::convertHalResult(rc), info);
186     return Void();
187 }
188 
189 } // namespace implementation
190 }  // namespace V1_0
191 }  // namespace broadcastradio
192 }  // namespace hardware
193 }  // namespace android
194