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 #define LOG_TAG "BroadcastRadio"
17 //#define LOG_NDEBUG 0
18
19 #include <log/log.h>
20
21 #include <hardware/radio.h>
22
23 #include "BroadcastRadio.h"
24 #include "Tuner.h"
25 #include "Utils.h"
26
27 namespace android {
28 namespace hardware {
29 namespace broadcastradio {
30 namespace V1_0 {
31 namespace implementation {
32
BroadcastRadio(Class classId)33 BroadcastRadio::BroadcastRadio(Class classId)
34 : mStatus(Result::NOT_INITIALIZED), mClassId(classId), mHwDevice(NULL)
35 {
36 }
37
~BroadcastRadio()38 BroadcastRadio::~BroadcastRadio()
39 {
40 if (mHwDevice != NULL) {
41 radio_hw_device_close(mHwDevice);
42 }
43 }
44
onFirstRef()45 void BroadcastRadio::onFirstRef()
46 {
47 const hw_module_t *mod;
48 int rc;
49 ALOGI("%s mClassId %d", __FUNCTION__, mClassId);
50
51 mHwDevice = NULL;
52 const char *classString = Utils::getClassString(mClassId);
53 if (classString == NULL) {
54 ALOGE("invalid class ID %d", mClassId);
55 mStatus = Result::INVALID_ARGUMENTS;
56 return;
57 }
58
59 ALOGI("%s RADIO_HARDWARE_MODULE_ID %s %s",
60 __FUNCTION__, RADIO_HARDWARE_MODULE_ID, classString);
61
62 rc = hw_get_module_by_class(RADIO_HARDWARE_MODULE_ID, classString, &mod);
63 if (rc != 0) {
64 ALOGE("couldn't load radio module %s.%s (%s)",
65 RADIO_HARDWARE_MODULE_ID, classString, strerror(-rc));
66 mStatus = Result::INVALID_ARGUMENTS;
67 return;
68 }
69 rc = radio_hw_device_open(mod, &mHwDevice);
70 if (rc != 0) {
71 ALOGE("couldn't open radio hw device in %s.%s (%s)",
72 RADIO_HARDWARE_MODULE_ID, "primary", strerror(-rc));
73 mHwDevice = NULL;
74 return;
75 }
76 if (mHwDevice->common.version != RADIO_DEVICE_API_VERSION_CURRENT) {
77 ALOGE("wrong radio hw device version %04x", mHwDevice->common.version);
78 radio_hw_device_close(mHwDevice);
79 mHwDevice = NULL;
80 } else {
81 mStatus = Result::OK;
82 }
83 }
84
closeHalTuner(const struct radio_tuner * halTuner)85 int BroadcastRadio::closeHalTuner(const struct radio_tuner *halTuner)
86 {
87 ALOGV("%s", __FUNCTION__);
88 if (mHwDevice == NULL) {
89 return -ENODEV;
90 }
91 if (halTuner == 0) {
92 return -EINVAL;
93 }
94 return mHwDevice->close_tuner(mHwDevice, halTuner);
95 }
96
97
98 // Methods from ::android::hardware::broadcastradio::V1_0::IBroadcastRadio follow.
getProperties(getProperties_cb _hidl_cb)99 Return<void> BroadcastRadio::getProperties(getProperties_cb _hidl_cb)
100 {
101 int rc;
102 radio_hal_properties_t halProperties;
103 Properties properties;
104
105 if (mHwDevice == NULL) {
106 rc = -ENODEV;
107 goto exit;
108 }
109 rc = mHwDevice->get_properties(mHwDevice, &halProperties);
110 if (rc == 0) {
111 Utils::convertPropertiesFromHal(&properties, &halProperties);
112 }
113
114 exit:
115 _hidl_cb(Utils::convertHalResult(rc), properties);
116 return Void();
117 }
118
openTuner(const BandConfig & config,bool audio,const sp<ITunerCallback> & callback,openTuner_cb _hidl_cb)119 Return<void> BroadcastRadio::openTuner(const BandConfig& config, bool audio,
120 const sp<ITunerCallback>& callback, openTuner_cb _hidl_cb)
121 {
122 sp<Tuner> tunerImpl = new Tuner(callback, this);
123
124 radio_hal_band_config_t halConfig;
125 const struct radio_tuner *halTuner;
126 Utils::convertBandConfigToHal(&halConfig, &config);
127 int rc = mHwDevice->open_tuner(mHwDevice, &halConfig, audio,
128 Tuner::callback, tunerImpl.get(),
129 &halTuner);
130 if (rc == 0) {
131 tunerImpl->setHalTuner(halTuner);
132 }
133
134 _hidl_cb(Utils::convertHalResult(rc), tunerImpl);
135 return Void();
136 }
137
138
139 } // namespace implementation
140 } // namespace V1_0
141 } // namespace broadcastradio
142 } // namespace hardware
143 } // namespace android
144