Amy Zhang | bb94eeb | 2020-07-09 22:48:04 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2020 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 "android.hardware.tv.tuner@1.1-Tuner" |
| 18 | |
| 19 | #include "Tuner.h" |
| 20 | #include <utils/Log.h> |
| 21 | #include "Demux.h" |
| 22 | #include "Descrambler.h" |
| 23 | #include "Frontend.h" |
| 24 | #include "Lnb.h" |
| 25 | |
| 26 | namespace android { |
| 27 | namespace hardware { |
| 28 | namespace tv { |
| 29 | namespace tuner { |
| 30 | namespace V1_0 { |
| 31 | namespace implementation { |
| 32 | |
| 33 | Tuner::Tuner() { |
| 34 | // Static Frontends array to maintain local frontends information |
| 35 | // Array index matches their FrontendId in the default impl |
| 36 | mFrontendSize = 8; |
| 37 | mFrontends.resize(mFrontendSize); |
| 38 | mFrontends[0] = new Frontend(FrontendType::DVBT, 0, this); |
| 39 | mFrontends[1] = new Frontend(FrontendType::ATSC, 1, this); |
| 40 | mFrontends[2] = new Frontend(FrontendType::DVBC, 2, this); |
| 41 | mFrontends[3] = new Frontend(FrontendType::DVBS, 3, this); |
| 42 | mFrontends[4] = new Frontend(FrontendType::DVBT, 4, this); |
| 43 | mFrontends[5] = new Frontend(FrontendType::ISDBT, 5, this); |
| 44 | mFrontends[6] = new Frontend(FrontendType::ANALOG, 6, this); |
| 45 | mFrontends[7] = new Frontend(FrontendType::ATSC, 7, this); |
| 46 | |
| 47 | FrontendInfo::FrontendCapabilities caps; |
| 48 | mFrontendCaps.resize(mFrontendSize); |
| 49 | caps = FrontendInfo::FrontendCapabilities(); |
| 50 | caps.dvbtCaps(FrontendDvbtCapabilities()); |
| 51 | mFrontendCaps[0] = caps; |
| 52 | |
| 53 | caps = FrontendInfo::FrontendCapabilities(); |
| 54 | caps.atscCaps(FrontendAtscCapabilities()); |
| 55 | mFrontendCaps[1] = caps; |
| 56 | |
| 57 | caps = FrontendInfo::FrontendCapabilities(); |
| 58 | caps.dvbcCaps(FrontendDvbcCapabilities()); |
| 59 | mFrontendCaps[2] = caps; |
| 60 | |
| 61 | caps = FrontendInfo::FrontendCapabilities(); |
| 62 | caps.dvbsCaps(FrontendDvbsCapabilities()); |
| 63 | mFrontendCaps[3] = caps; |
| 64 | |
| 65 | caps = FrontendInfo::FrontendCapabilities(); |
| 66 | caps.dvbtCaps(FrontendDvbtCapabilities()); |
| 67 | mFrontendCaps[4] = caps; |
| 68 | |
| 69 | caps = FrontendInfo::FrontendCapabilities(); |
| 70 | FrontendIsdbtCapabilities isdbtCaps{ |
| 71 | .modeCap = FrontendIsdbtMode::MODE_1 | FrontendIsdbtMode::MODE_2, |
| 72 | .bandwidthCap = (unsigned int)FrontendIsdbtBandwidth::BANDWIDTH_6MHZ, |
| 73 | .modulationCap = (unsigned int)FrontendIsdbtModulation::MOD_16QAM, |
| 74 | // ISDBT shares coderate and guard interval with DVBT |
| 75 | .coderateCap = FrontendDvbtCoderate::CODERATE_4_5 | FrontendDvbtCoderate::CODERATE_6_7, |
| 76 | .guardIntervalCap = (unsigned int)FrontendDvbtGuardInterval::INTERVAL_1_128, |
| 77 | }; |
| 78 | caps.isdbtCaps(isdbtCaps); |
| 79 | mFrontendCaps[5] = caps; |
| 80 | |
| 81 | caps = FrontendInfo::FrontendCapabilities(); |
| 82 | caps.analogCaps(FrontendAnalogCapabilities()); |
| 83 | mFrontendCaps[6] = caps; |
| 84 | |
| 85 | caps = FrontendInfo::FrontendCapabilities(); |
| 86 | caps.atscCaps(FrontendAtscCapabilities()); |
| 87 | mFrontendCaps[7] = caps; |
| 88 | |
| 89 | mLnbs.resize(2); |
| 90 | mLnbs[0] = new Lnb(0); |
| 91 | mLnbs[1] = new Lnb(1); |
| 92 | } |
| 93 | |
| 94 | Tuner::~Tuner() {} |
| 95 | |
| 96 | Return<void> Tuner::getFrontendIds(getFrontendIds_cb _hidl_cb) { |
| 97 | ALOGV("%s", __FUNCTION__); |
| 98 | |
| 99 | vector<FrontendId> frontendIds; |
| 100 | frontendIds.resize(mFrontendSize); |
| 101 | for (int i = 0; i < mFrontendSize; i++) { |
| 102 | frontendIds[i] = mFrontends[i]->getFrontendId(); |
| 103 | } |
| 104 | |
| 105 | _hidl_cb(Result::SUCCESS, frontendIds); |
| 106 | return Void(); |
| 107 | } |
| 108 | |
| 109 | Return<void> Tuner::openFrontendById(uint32_t frontendId, openFrontendById_cb _hidl_cb) { |
| 110 | ALOGV("%s", __FUNCTION__); |
| 111 | |
| 112 | if (frontendId >= mFrontendSize || frontendId < 0) { |
| 113 | ALOGW("[ WARN ] Frontend with id %d isn't available", frontendId); |
| 114 | _hidl_cb(Result::UNAVAILABLE, nullptr); |
| 115 | return Void(); |
| 116 | } |
| 117 | |
| 118 | _hidl_cb(Result::SUCCESS, mFrontends[frontendId]); |
| 119 | return Void(); |
| 120 | } |
| 121 | |
| 122 | Return<void> Tuner::openDemux(openDemux_cb _hidl_cb) { |
| 123 | ALOGV("%s", __FUNCTION__); |
| 124 | |
| 125 | uint32_t demuxId = mLastUsedId + 1; |
| 126 | mLastUsedId += 1; |
| 127 | sp<Demux> demux = new Demux(demuxId, this); |
| 128 | mDemuxes[demuxId] = demux; |
| 129 | |
| 130 | _hidl_cb(Result::SUCCESS, demuxId, demux); |
| 131 | return Void(); |
| 132 | } |
| 133 | |
| 134 | Return<void> Tuner::getDemuxCaps(getDemuxCaps_cb _hidl_cb) { |
| 135 | ALOGV("%s", __FUNCTION__); |
| 136 | |
| 137 | DemuxCapabilities caps; |
| 138 | |
| 139 | // IP filter can be an MMTP filter's data source. |
| 140 | caps.linkCaps = {0x00, 0x00, 0x02, 0x00, 0x00}; |
| 141 | _hidl_cb(Result::SUCCESS, caps); |
| 142 | return Void(); |
| 143 | } |
| 144 | |
| 145 | Return<void> Tuner::openDescrambler(openDescrambler_cb _hidl_cb) { |
| 146 | ALOGV("%s", __FUNCTION__); |
| 147 | |
| 148 | sp<V1_0::IDescrambler> descrambler = new Descrambler(); |
| 149 | |
| 150 | _hidl_cb(Result::SUCCESS, descrambler); |
| 151 | return Void(); |
| 152 | } |
| 153 | |
| 154 | Return<void> Tuner::getFrontendInfo(FrontendId frontendId, getFrontendInfo_cb _hidl_cb) { |
| 155 | ALOGV("%s", __FUNCTION__); |
| 156 | |
| 157 | FrontendInfo info; |
| 158 | if (frontendId >= mFrontendSize) { |
| 159 | _hidl_cb(Result::INVALID_ARGUMENT, info); |
| 160 | return Void(); |
| 161 | } |
| 162 | |
| 163 | vector<FrontendStatusType> statusCaps = { |
| 164 | FrontendStatusType::DEMOD_LOCK, |
| 165 | FrontendStatusType::SNR, |
| 166 | FrontendStatusType::FEC, |
| 167 | FrontendStatusType::MODULATION, |
| 168 | FrontendStatusType::PLP_ID, |
| 169 | FrontendStatusType::LAYER_ERROR, |
| 170 | FrontendStatusType::ATSC3_PLP_INFO, |
| 171 | }; |
| 172 | // assign randomly selected values for testing. |
| 173 | info = { |
| 174 | .type = mFrontends[frontendId]->getFrontendType(), |
| 175 | .minFrequency = 139, |
| 176 | .maxFrequency = 1139, |
| 177 | .minSymbolRate = 45, |
| 178 | .maxSymbolRate = 1145, |
| 179 | .acquireRange = 30, |
| 180 | .exclusiveGroupId = 57, |
| 181 | .statusCaps = statusCaps, |
| 182 | .frontendCaps = mFrontendCaps[frontendId], |
| 183 | }; |
| 184 | |
| 185 | _hidl_cb(Result::SUCCESS, info); |
| 186 | return Void(); |
| 187 | } |
| 188 | |
| 189 | Return<void> Tuner::getLnbIds(getLnbIds_cb _hidl_cb) { |
| 190 | ALOGV("%s", __FUNCTION__); |
| 191 | |
| 192 | vector<V1_0::LnbId> lnbIds; |
| 193 | lnbIds.resize(mLnbs.size()); |
| 194 | for (int i = 0; i < lnbIds.size(); i++) { |
| 195 | lnbIds[i] = mLnbs[i]->getId(); |
| 196 | } |
| 197 | |
| 198 | _hidl_cb(Result::SUCCESS, lnbIds); |
| 199 | return Void(); |
| 200 | } |
| 201 | |
| 202 | Return<void> Tuner::openLnbById(V1_0::LnbId lnbId, openLnbById_cb _hidl_cb) { |
| 203 | ALOGV("%s", __FUNCTION__); |
| 204 | |
| 205 | if (lnbId >= mLnbs.size()) { |
| 206 | _hidl_cb(Result::INVALID_ARGUMENT, nullptr); |
| 207 | return Void(); |
| 208 | } |
| 209 | |
| 210 | _hidl_cb(Result::SUCCESS, mLnbs[lnbId]); |
| 211 | return Void(); |
| 212 | } |
| 213 | |
| 214 | sp<Frontend> Tuner::getFrontendById(uint32_t frontendId) { |
| 215 | ALOGV("%s", __FUNCTION__); |
| 216 | |
| 217 | return mFrontends[frontendId]; |
| 218 | } |
| 219 | |
| 220 | Return<void> Tuner::openLnbByName(const hidl_string& /*lnbName*/, openLnbByName_cb _hidl_cb) { |
| 221 | ALOGV("%s", __FUNCTION__); |
| 222 | |
| 223 | sp<V1_0::ILnb> lnb = new Lnb(); |
| 224 | |
| 225 | _hidl_cb(Result::SUCCESS, 1234, lnb); |
| 226 | return Void(); |
| 227 | } |
| 228 | |
| 229 | void Tuner::setFrontendAsDemuxSource(uint32_t frontendId, uint32_t demuxId) { |
| 230 | mFrontendToDemux[frontendId] = demuxId; |
| 231 | if (mFrontends[frontendId] != nullptr && mFrontends[frontendId]->isLocked()) { |
| 232 | mDemuxes[demuxId]->startFrontendInputLoop(); |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | void Tuner::frontendStopTune(uint32_t frontendId) { |
| 237 | map<uint32_t, uint32_t>::iterator it = mFrontendToDemux.find(frontendId); |
| 238 | uint32_t demuxId; |
| 239 | if (it != mFrontendToDemux.end()) { |
| 240 | demuxId = it->second; |
| 241 | mDemuxes[demuxId]->stopFrontendInput(); |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | void Tuner::frontendStartTune(uint32_t frontendId) { |
| 246 | map<uint32_t, uint32_t>::iterator it = mFrontendToDemux.find(frontendId); |
| 247 | uint32_t demuxId; |
| 248 | if (it != mFrontendToDemux.end()) { |
| 249 | demuxId = it->second; |
| 250 | mDemuxes[demuxId]->startFrontendInputLoop(); |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | } // namespace implementation |
| 255 | } // namespace V1_0 |
| 256 | } // namespace tuner |
| 257 | } // namespace tv |
| 258 | } // namespace hardware |
| 259 | } // namespace android |