| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "Vibrator.h" |
| |
| #include <glob.h> |
| #include <hardware/hardware.h> |
| #include <hardware/vibrator.h> |
| #include <linux/input.h> |
| #include <log/log.h> |
| #include <stdio.h> |
| #include <utils/Trace.h> |
| |
| #include <cinttypes> |
| #include <cmath> |
| #include <fstream> |
| #include <iostream> |
| #include <sstream> |
| |
| #ifndef ARRAY_SIZE |
| #define ARRAY_SIZE(x) (sizeof((x)) / sizeof((x)[0])) |
| #endif |
| |
| #define PROC_SND_PCM "/proc/asound/pcm" |
| #define HAPTIC_PCM_DEVICE_SYMBOL "haptic nohost playback" |
| |
| namespace aidl { |
| namespace android { |
| namespace hardware { |
| namespace vibrator { |
| static constexpr uint8_t FF_CUSTOM_DATA_LEN = 2; |
| static constexpr uint16_t FF_CUSTOM_DATA_LEN_MAX_COMP = 2044; // (COMPOSE_SIZE_MAX + 1) * 8 + 4 |
| static constexpr uint16_t FF_CUSTOM_DATA_LEN_MAX_PWLE = 2302; |
| |
| static constexpr uint32_t WAVEFORM_DOUBLE_CLICK_SILENCE_MS = 100; |
| |
| static constexpr uint32_t WAVEFORM_LONG_VIBRATION_THRESHOLD_MS = 50; |
| |
| static constexpr uint8_t VOLTAGE_SCALE_MAX = 100; |
| |
| static constexpr int8_t MAX_COLD_START_LATENCY_MS = 6; // I2C Transaction + DSP Return-From-Standby |
| static constexpr uint32_t MIN_ON_OFF_INTERVAL_US = 8500; // SVC initialization time |
| static constexpr int8_t MAX_PAUSE_TIMING_ERROR_MS = 1; // ALERT Irq Handling |
| static constexpr uint32_t MAX_TIME_MS = UINT16_MAX; |
| |
| static constexpr auto ASYNC_COMPLETION_TIMEOUT = std::chrono::milliseconds(100); |
| static constexpr auto POLLING_TIMEOUT = 20; |
| static constexpr int32_t COMPOSE_DELAY_MAX_MS = 10000; |
| |
| /* nsections is 8 bits. Need to preserve 1 section for the first delay before the first effect. */ |
| static constexpr int32_t COMPOSE_SIZE_MAX = 254; |
| static constexpr int32_t COMPOSE_PWLE_SIZE_MAX_DEFAULT = 127; |
| |
| // Measured resonant frequency, f0_measured, is represented by Q10.14 fixed |
| // point format on cs40l26 devices. The expression to calculate f0 is: |
| // f0 = f0_measured / 2^Q14_BIT_SHIFT |
| // See the LRA Calibration Support documentation for more details. |
| static constexpr int32_t Q14_BIT_SHIFT = 14; |
| |
| // Measured Q factor, q_measured, is represented by Q8.16 fixed |
| // point format on cs40l26 devices. The expression to calculate q is: |
| // q = q_measured / 2^Q16_BIT_SHIFT |
| // See the LRA Calibration Support documentation for more details. |
| static constexpr int32_t Q16_BIT_SHIFT = 16; |
| |
| static constexpr int32_t COMPOSE_PWLE_PRIMITIVE_DURATION_MAX_MS = 16383; |
| |
| static constexpr uint32_t WT_LEN_CALCD = 0x00800000; |
| static constexpr uint8_t PWLE_CHIRP_BIT = 0x8; // Dynamic/static frequency and voltage |
| static constexpr uint8_t PWLE_BRAKE_BIT = 0x4; |
| static constexpr uint8_t PWLE_AMP_REG_BIT = 0x2; |
| |
| static constexpr float PWLE_LEVEL_MIN = 0.0; |
| static constexpr float PWLE_LEVEL_MAX = 1.0; |
| static constexpr float CS40L26_PWLE_LEVEL_MIX = -1.0; |
| static constexpr float CS40L26_PWLE_LEVEL_MAX = 0.9995118; |
| static constexpr float PWLE_FREQUENCY_RESOLUTION_HZ = 1.00; |
| static constexpr float PWLE_FREQUENCY_MIN_HZ = 1.00; |
| static constexpr float PWLE_FREQUENCY_MAX_HZ = 1000.00; |
| static constexpr float PWLE_BW_MAP_SIZE = |
| 1 + ((PWLE_FREQUENCY_MAX_HZ - PWLE_FREQUENCY_MIN_HZ) / PWLE_FREQUENCY_RESOLUTION_HZ); |
| |
| static struct pcm_config haptic_nohost_config = { |
| .channels = 1, |
| .rate = 48000, |
| .period_size = 80, |
| .period_count = 2, |
| .format = PCM_FORMAT_S16_LE, |
| }; |
| |
| static uint16_t amplitudeToScale(float amplitude, float maximum) { |
| float ratio = 100; /* Unit: % */ |
| if (maximum != 0) |
| ratio = amplitude / maximum * 100; |
| |
| if (maximum == 0 || ratio > 100) |
| ratio = 100; |
| |
| return std::round(ratio); |
| } |
| |
| enum class AlwaysOnId : uint32_t { |
| GPIO_RISE, |
| GPIO_FALL, |
| }; |
| |
| enum WaveformBankID : uint8_t { |
| RAM_WVFRM_BANK, |
| ROM_WVFRM_BANK, |
| OWT_WVFRM_BANK, |
| }; |
| |
| enum WaveformIndex : uint16_t { |
| /* Physical waveform */ |
| WAVEFORM_LONG_VIBRATION_EFFECT_INDEX = 0, |
| WAVEFORM_RESERVED_INDEX_1 = 1, |
| WAVEFORM_CLICK_INDEX = 2, |
| WAVEFORM_SHORT_VIBRATION_EFFECT_INDEX = 3, |
| WAVEFORM_THUD_INDEX = 4, |
| WAVEFORM_SPIN_INDEX = 5, |
| WAVEFORM_QUICK_RISE_INDEX = 6, |
| WAVEFORM_SLOW_RISE_INDEX = 7, |
| WAVEFORM_QUICK_FALL_INDEX = 8, |
| WAVEFORM_LIGHT_TICK_INDEX = 9, |
| WAVEFORM_LOW_TICK_INDEX = 10, |
| WAVEFORM_RESERVED_MFG_1, |
| WAVEFORM_RESERVED_MFG_2, |
| WAVEFORM_RESERVED_MFG_3, |
| WAVEFORM_MAX_PHYSICAL_INDEX, |
| /* OWT waveform */ |
| WAVEFORM_COMPOSE = WAVEFORM_MAX_PHYSICAL_INDEX, |
| WAVEFORM_PWLE, |
| /* |
| * Refer to <linux/input.h>, the WAVEFORM_MAX_INDEX must not exceed 96. |
| * #define FF_GAIN 0x60 // 96 in decimal |
| * #define FF_MAX_EFFECTS FF_GAIN |
| */ |
| WAVEFORM_MAX_INDEX, |
| }; |
| |
| std::vector<CompositePrimitive> defaultSupportedPrimitives = { |
| ndk::enum_range<CompositePrimitive>().begin(), ndk::enum_range<CompositePrimitive>().end()}; |
| |
| enum vibe_state { |
| VIBE_STATE_STOPPED = 0, |
| VIBE_STATE_HAPTIC, |
| VIBE_STATE_ASP, |
| }; |
| |
| static int min(int x, int y) { |
| return x < y ? x : y; |
| } |
| |
| static int floatToUint16(float input, uint16_t *output, float scale, float min, float max) { |
| if (input < min || input > max) |
| return -ERANGE; |
| |
| *output = roundf(input * scale); |
| return 0; |
| } |
| |
| struct dspmem_chunk { |
| uint8_t *head; |
| uint8_t *current; |
| uint8_t *max; |
| int bytes; |
| |
| uint32_t cache; |
| int cachebits; |
| }; |
| |
| static dspmem_chunk *dspmem_chunk_create(void *data, int size) { |
| auto ch = new dspmem_chunk{ |
| .head = reinterpret_cast<uint8_t *>(data), |
| .current = reinterpret_cast<uint8_t *>(data), |
| .max = reinterpret_cast<uint8_t *>(data) + size, |
| }; |
| |
| return ch; |
| } |
| |
| static bool dspmem_chunk_end(struct dspmem_chunk *ch) { |
| return ch->current == ch->max; |
| } |
| |
| static int dspmem_chunk_bytes(struct dspmem_chunk *ch) { |
| return ch->bytes; |
| } |
| |
| static int dspmem_chunk_write(struct dspmem_chunk *ch, int nbits, uint32_t val) { |
| int nwrite, i; |
| |
| nwrite = min(24 - ch->cachebits, nbits); |
| ch->cache <<= nwrite; |
| ch->cache |= val >> (nbits - nwrite); |
| ch->cachebits += nwrite; |
| nbits -= nwrite; |
| |
| if (ch->cachebits == 24) { |
| if (dspmem_chunk_end(ch)) |
| return -ENOSPC; |
| |
| ch->cache &= 0xFFFFFF; |
| for (i = 0; i < sizeof(ch->cache); i++, ch->cache <<= 8) |
| *ch->current++ = (ch->cache & 0xFF000000) >> 24; |
| |
| ch->bytes += sizeof(ch->cache); |
| ch->cachebits = 0; |
| } |
| |
| if (nbits) |
| return dspmem_chunk_write(ch, nbits, val); |
| |
| return 0; |
| } |
| |
| static int dspmem_chunk_flush(struct dspmem_chunk *ch) { |
| if (!ch->cachebits) |
| return 0; |
| |
| return dspmem_chunk_write(ch, 24 - ch->cachebits, 0); |
| } |
| |
| std::vector<struct ff_effect> mFfEffects; |
| |
| Vibrator::Vibrator(std::unique_ptr<HwApi> hwapi, std::unique_ptr<HwCal> hwcal) |
| : mHwApi(std::move(hwapi)), mHwCal(std::move(hwcal)), mAsyncHandle(std::async([] {})) { |
| int32_t longFrequencyShift; |
| std::string caldata{8, '0'}; |
| uint32_t calVer; |
| |
| glob_t inputEventPaths; |
| int fd = -1; |
| int ret; |
| uint32_t val = 0; |
| char str[20] = {0x00}; |
| const char *inputEventName = std::getenv("INPUT_EVENT_NAME"); |
| for (uint8_t retry = 0; retry < 10; retry++) { |
| ret = glob("/dev/input/event*", 0, nullptr, &inputEventPaths); |
| if (ret) { |
| ALOGE("Fail to get input event paths (%d): %s", errno, strerror(errno)); |
| } else { |
| for (int i = 0; i < inputEventPaths.gl_pathc; i++) { |
| fd = TEMP_FAILURE_RETRY(open(inputEventPaths.gl_pathv[i], O_RDWR)); |
| if (fd > 0) { |
| if (ioctl(fd, EVIOCGBIT(0, sizeof(val)), &val) > 0 && (val & (1 << EV_FF)) && |
| ioctl(fd, EVIOCGNAME(sizeof(str)), &str) > 0 && |
| strcmp(str, inputEventName) == 0) { |
| mInputFd.reset(fd); |
| ALOGI("Control %s through %s", inputEventName, inputEventPaths.gl_pathv[i]); |
| break; |
| } |
| close(fd); |
| } |
| } |
| } |
| |
| if (ret == 0) { |
| globfree(&inputEventPaths); |
| } |
| if (mInputFd.ok()) { |
| break; |
| } |
| |
| sleep(1); |
| ALOGW("Retry #%d to search in %zu input devices.", retry, inputEventPaths.gl_pathc); |
| } |
| |
| if (!mInputFd.ok()) { |
| ALOGE("Fail to get an input event with name %s", inputEventName); |
| return; |
| } |
| |
| /* |
| * Create custom effects for all physical waveforms. |
| * 1. Set the initial duration for the corresponding RAM waveform. |
| * 2. Write to the force feedback driver. If the waveform firmware is not loaded, |
| * retry at most 10 times and then abort the constructor. |
| * 3. Store the effect ID. |
| */ |
| uint8_t retry = 0; |
| mFfEffects.resize(WAVEFORM_MAX_INDEX); |
| mEffectDurations.resize(WAVEFORM_MAX_INDEX); |
| mEffectDurations = { |
| 1000, 100, 30, 1000, 300, 130, 150, 500, 100, 15, 20, 1000, 1000, 1000, |
| }; /* 11+3 waveforms. The duration must < UINT16_MAX */ |
| |
| uint8_t effectIndex = 0; |
| const uint8_t owtPlaceholder[] = {0x00, 0x00, 0x01, 0x00, 0x00, 0x5F, |
| 0x02, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| const uint8_t owtPlaceholderLength = sizeof(owtPlaceholder); |
| for (effectIndex = 0; effectIndex < WAVEFORM_MAX_INDEX; effectIndex++) { |
| if (effectIndex < WAVEFORM_MAX_PHYSICAL_INDEX) { |
| mFfEffects[effectIndex] = { |
| .type = FF_PERIODIC, |
| .id = -1, |
| .replay.length = static_cast<uint16_t>(mEffectDurations[effectIndex]), |
| .u.periodic.waveform = FF_CUSTOM, |
| .u.periodic.custom_data = new int16_t[2]{RAM_WVFRM_BANK, effectIndex}, |
| .u.periodic.custom_len = FF_CUSTOM_DATA_LEN, |
| }; |
| } else { |
| /* Initiate placeholders for OWT effects. */ |
| mFfEffects[effectIndex] = { |
| .type = FF_PERIODIC, |
| .id = -1, |
| .replay.length = 0, |
| .u.periodic.waveform = FF_CUSTOM, |
| .u.periodic.custom_data = nullptr, |
| .u.periodic.custom_len = owtPlaceholderLength / sizeof(int16_t), |
| }; |
| mFfEffects[effectIndex].u.periodic.custom_data = |
| new int16_t[mFfEffects[effectIndex].u.periodic.custom_len]{0x0000}; |
| memcpy(mFfEffects[effectIndex].u.periodic.custom_data, owtPlaceholder, |
| owtPlaceholderLength); |
| } |
| |
| while (true) { |
| if (ioctl(mInputFd, EVIOCSFF, &mFfEffects[effectIndex]) < 0) { |
| ALOGE("Failed upload effect %d (%d): %s", effectIndex, errno, strerror(errno)); |
| |
| if (retry < 10) { |
| sleep(1); |
| ALOGW("Retry #%u", ++retry); |
| continue; |
| } else { |
| ALOGE("Retried but the initialization was failed!"); |
| return; |
| } |
| } |
| mFfEffects[effectIndex].id = effectIndex; |
| break; |
| } |
| } |
| if (effectIndex != WAVEFORM_MAX_INDEX) { |
| ALOGE("Incomplete effect initialization!"); |
| return; |
| } |
| |
| if (mHwCal->getF0(&caldata)) { |
| mHwApi->setF0(caldata); |
| } |
| if (mHwCal->getRedc(&caldata)) { |
| mHwApi->setRedc(caldata); |
| } |
| if (mHwCal->getQ(&caldata)) { |
| mHwApi->setQ(caldata); |
| } |
| |
| mHwCal->getLongFrequencyShift(&longFrequencyShift); |
| if (longFrequencyShift > 0) { |
| mF0Offset = longFrequencyShift * std::pow(2, 14); |
| } else if (longFrequencyShift < 0) { |
| mF0Offset = std::pow(2, 24) - std::abs(longFrequencyShift) * std::pow(2, 14); |
| } else { |
| mF0Offset = 0; |
| } |
| |
| mHwCal->getVersion(&calVer); |
| if (calVer == 2) { |
| mHwCal->getTickVolLevels(&mTickEffectVol); |
| mHwCal->getClickVolLevels(&mClickEffectVol); |
| mHwCal->getLongVolLevels(&mLongEffectVol); |
| } else { |
| ALOGW("Unsupported calibration version!"); |
| } |
| |
| mHwApi->setF0CompEnable(true); |
| mHwApi->setRedcCompEnable(true); |
| |
| mIsUnderExternalControl = false; |
| |
| mIsChirpEnabled = mHwCal->isChirpEnabled(); |
| |
| mHwCal->getSupportedPrimitives(&mSupportedPrimitivesBits); |
| if (mSupportedPrimitivesBits > 0) { |
| for (auto e : defaultSupportedPrimitives) { |
| if (mSupportedPrimitivesBits & (1 << uint32_t(e))) { |
| mSupportedPrimitives.emplace_back(e); |
| } |
| } |
| } else { |
| for (auto e : defaultSupportedPrimitives) { |
| mSupportedPrimitivesBits |= (1 << uint32_t(e)); |
| } |
| mSupportedPrimitives = defaultSupportedPrimitives; |
| } |
| |
| mHwApi->setMinOnOffInterval(MIN_ON_OFF_INTERVAL_US); |
| } |
| |
| ndk::ScopedAStatus Vibrator::getCapabilities(int32_t *_aidl_return) { |
| ATRACE_NAME("Vibrator::getCapabilities"); |
| |
| int32_t ret = IVibrator::CAP_ON_CALLBACK | IVibrator::CAP_PERFORM_CALLBACK | |
| IVibrator::CAP_AMPLITUDE_CONTROL | IVibrator::CAP_ALWAYS_ON_CONTROL | |
| IVibrator::CAP_GET_RESONANT_FREQUENCY | IVibrator::CAP_GET_Q_FACTOR; |
| if (hasHapticAlsaDevice()) { |
| ret |= IVibrator::CAP_EXTERNAL_CONTROL; |
| } |
| if (mHwApi->hasOwtFreeSpace()) { |
| ret |= IVibrator::CAP_COMPOSE_EFFECTS; |
| |
| if (mIsChirpEnabled) { |
| ret |= IVibrator::CAP_FREQUENCY_CONTROL | IVibrator::CAP_COMPOSE_PWLE_EFFECTS; |
| } |
| } |
| *_aidl_return = ret; |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::off() { |
| ATRACE_NAME("Vibrator::off"); |
| if (mActiveId < 0) { |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| struct input_event play = { |
| .type = EV_FF, |
| .code = static_cast<uint16_t>(mActiveId), |
| .value = 0, |
| }; |
| |
| if (write(mInputFd, (const void *)&play, sizeof(play)) != sizeof(play)) { |
| ALOGE("Failed to stop effect %d (%d): %s", play.code, errno, strerror(errno)); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE); |
| } |
| |
| mActiveId = -1; |
| setGlobalAmplitude(false); |
| mHwApi->setF0Offset(0); |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::on(int32_t timeoutMs, |
| const std::shared_ptr<IVibratorCallback> &callback) { |
| ATRACE_NAME("Vibrator::on"); |
| if (timeoutMs > MAX_TIME_MS) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| const uint16_t index = (timeoutMs < WAVEFORM_LONG_VIBRATION_THRESHOLD_MS) |
| ? WAVEFORM_SHORT_VIBRATION_EFFECT_INDEX |
| : WAVEFORM_LONG_VIBRATION_EFFECT_INDEX; |
| if (MAX_COLD_START_LATENCY_MS <= MAX_TIME_MS - timeoutMs) { |
| timeoutMs += MAX_COLD_START_LATENCY_MS; |
| } |
| setGlobalAmplitude(true); |
| mHwApi->setF0Offset(mF0Offset); |
| return on(timeoutMs, index, callback); |
| } |
| |
| ndk::ScopedAStatus Vibrator::perform(Effect effect, EffectStrength strength, |
| const std::shared_ptr<IVibratorCallback> &callback, |
| int32_t *_aidl_return) { |
| ATRACE_NAME("Vibrator::perform"); |
| return performEffect(effect, strength, callback, _aidl_return); |
| } |
| |
| ndk::ScopedAStatus Vibrator::getSupportedEffects(std::vector<Effect> *_aidl_return) { |
| *_aidl_return = {Effect::TEXTURE_TICK, Effect::TICK, Effect::CLICK, Effect::HEAVY_CLICK, |
| Effect::DOUBLE_CLICK}; |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::setAmplitude(float amplitude) { |
| ATRACE_NAME("Vibrator::setAmplitude"); |
| if (amplitude <= 0.0f || amplitude > 1.0f) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| |
| mLongEffectScale = amplitude; |
| if (!isUnderExternalControl()) { |
| return setGlobalAmplitude(true); |
| } else { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| } |
| |
| ndk::ScopedAStatus Vibrator::setExternalControl(bool enabled) { |
| ATRACE_NAME("Vibrator::setExternalControl"); |
| setGlobalAmplitude(enabled); |
| |
| if (mHasHapticAlsaDevice) { |
| if (!enableHapticPcmAmp(&mHapticPcm, enabled, mCard, mDevice)) { |
| ALOGE("Failed to %s haptic pcm device: %d", (enabled ? "enable" : "disable"), mDevice); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE); |
| } |
| } |
| |
| mIsUnderExternalControl = enabled; |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::getCompositionDelayMax(int32_t *maxDelayMs) { |
| ATRACE_NAME("Vibrator::getCompositionDelayMax"); |
| *maxDelayMs = COMPOSE_DELAY_MAX_MS; |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::getCompositionSizeMax(int32_t *maxSize) { |
| ATRACE_NAME("Vibrator::getCompositionSizeMax"); |
| *maxSize = COMPOSE_SIZE_MAX; |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::getSupportedPrimitives(std::vector<CompositePrimitive> *supported) { |
| *supported = mSupportedPrimitives; |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::getPrimitiveDuration(CompositePrimitive primitive, |
| int32_t *durationMs) { |
| ndk::ScopedAStatus status; |
| uint32_t effectIndex; |
| if (primitive != CompositePrimitive::NOOP) { |
| status = getPrimitiveDetails(primitive, &effectIndex); |
| if (!status.isOk()) { |
| return status; |
| } |
| |
| *durationMs = mEffectDurations[effectIndex]; |
| } else { |
| *durationMs = 0; |
| } |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::compose(const std::vector<CompositeEffect> &composite, |
| const std::shared_ptr<IVibratorCallback> &callback) { |
| ATRACE_NAME("Vibrator::compose"); |
| uint16_t size; |
| uint16_t nextEffectDelay; |
| |
| auto ch = dspmem_chunk_create(new uint8_t[FF_CUSTOM_DATA_LEN_MAX_COMP]{0x00}, |
| FF_CUSTOM_DATA_LEN_MAX_COMP); |
| |
| if (composite.size() > COMPOSE_SIZE_MAX || composite.empty()) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| |
| /* Check if there is a wait before the first effect. */ |
| nextEffectDelay = composite.front().delayMs; |
| if (nextEffectDelay > COMPOSE_DELAY_MAX_MS || nextEffectDelay < 0) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } else if (nextEffectDelay > 0) { |
| size = composite.size() + 1; |
| } else { |
| size = composite.size(); |
| } |
| |
| dspmem_chunk_write(ch, 8, 0); /* Padding */ |
| dspmem_chunk_write(ch, 8, (uint8_t)(0xFF & size)); /* nsections */ |
| dspmem_chunk_write(ch, 8, 0); /* repeat */ |
| uint8_t header_count = ch->bytes; |
| |
| /* Insert 1 section for a wait before the first effect. */ |
| if (nextEffectDelay) { |
| dspmem_chunk_write(ch, 32, 0); /* amplitude, index, repeat & flags */ |
| dspmem_chunk_write(ch, 16, (uint16_t)(0xFFFF & nextEffectDelay)); /* delay */ |
| } |
| |
| for (uint32_t i_curr = 0, i_next = 1; i_curr < composite.size(); i_curr++, i_next++) { |
| auto &e_curr = composite[i_curr]; |
| uint32_t effectIndex = 0; |
| uint32_t effectVolLevel = 0; |
| if (e_curr.scale < 0.0f || e_curr.scale > 1.0f) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| |
| if (e_curr.primitive != CompositePrimitive::NOOP) { |
| ndk::ScopedAStatus status; |
| status = getPrimitiveDetails(e_curr.primitive, &effectIndex); |
| if (!status.isOk()) { |
| return status; |
| } |
| effectVolLevel = intensityToVolLevel(e_curr.scale, effectIndex); |
| } |
| |
| /* Fetch the next composite effect delay and fill into the current section */ |
| nextEffectDelay = 0; |
| if (i_next < composite.size()) { |
| auto &e_next = composite[i_next]; |
| int32_t delay = e_next.delayMs; |
| |
| if (delay > COMPOSE_DELAY_MAX_MS || delay < 0) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| nextEffectDelay = delay; |
| } |
| |
| if (effectIndex == 0 && nextEffectDelay == 0) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| |
| dspmem_chunk_write(ch, 8, (uint8_t)(0xFF & effectVolLevel)); /* amplitude */ |
| dspmem_chunk_write(ch, 8, (uint8_t)(0xFF & effectIndex)); /* index */ |
| dspmem_chunk_write(ch, 8, 0); /* repeat */ |
| dspmem_chunk_write(ch, 8, 0); /* flags */ |
| dspmem_chunk_write(ch, 16, (uint16_t)(0xFFFF & nextEffectDelay)); /* delay */ |
| } |
| dspmem_chunk_flush(ch); |
| if (header_count == ch->bytes) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } else { |
| return performEffect(0 /*ignored*/, 0 /*ignored*/, ch, callback); |
| } |
| } |
| |
| ndk::ScopedAStatus Vibrator::on(uint32_t timeoutMs, uint32_t effectIndex, |
| const std::shared_ptr<IVibratorCallback> &callback) { |
| if (effectIndex >= WAVEFORM_MAX_INDEX) { |
| ALOGE("Invalid waveform index %d", effectIndex); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| if (mAsyncHandle.wait_for(ASYNC_COMPLETION_TIMEOUT) != std::future_status::ready) { |
| ALOGE("Previous vibration pending: prev: %d, curr: %d", mActiveId, effectIndex); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE); |
| } |
| |
| /* Update duration for long/short vibration. */ |
| if (effectIndex == WAVEFORM_SHORT_VIBRATION_EFFECT_INDEX || |
| effectIndex == WAVEFORM_LONG_VIBRATION_EFFECT_INDEX) { |
| mFfEffects[effectIndex].replay.length = static_cast<uint16_t>(timeoutMs); |
| if (ioctl(mInputFd, EVIOCSFF, &mFfEffects[effectIndex]) < 0) { |
| ALOGE("Failed to edit effect %d (%d): %s", effectIndex, errno, strerror(errno)); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE); |
| } |
| } |
| |
| /* Play the event now. */ |
| struct input_event play = { |
| .type = EV_FF, |
| .code = static_cast<uint16_t>(effectIndex), |
| .value = 1, |
| }; |
| if (write(mInputFd, (const void *)&play, sizeof(play)) != sizeof(play)) { |
| ALOGE("Failed to play effect %d (%d): %s", play.code, errno, strerror(errno)); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE); |
| } |
| |
| mActiveId = play.code; |
| |
| mAsyncHandle = std::async(&Vibrator::waitForComplete, this, callback); |
| |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::setEffectAmplitude(float amplitude, float maximum) { |
| uint16_t scale = amplitudeToScale(amplitude, maximum); |
| struct input_event gain = { |
| .type = EV_FF, |
| .code = FF_GAIN, |
| .value = scale, |
| }; |
| if (write(mInputFd, (const void *)&gain, sizeof(gain)) != sizeof(gain)) { |
| ALOGE("Failed to set the gain to %u (%d): %s", scale, errno, strerror(errno)); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE); |
| } |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::setGlobalAmplitude(bool set) { |
| uint8_t amplitude = set ? roundf(mLongEffectScale * mLongEffectVol[1]) : VOLTAGE_SCALE_MAX; |
| if (!set) { |
| mLongEffectScale = 1.0; // Reset the scale for the later new effect. |
| } |
| return setEffectAmplitude(amplitude, VOLTAGE_SCALE_MAX); |
| } |
| |
| ndk::ScopedAStatus Vibrator::getSupportedAlwaysOnEffects(std::vector<Effect> *_aidl_return) { |
| *_aidl_return = {Effect::TEXTURE_TICK, Effect::TICK, Effect::CLICK, Effect::HEAVY_CLICK}; |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::alwaysOnEnable(int32_t id, Effect effect, EffectStrength strength) { |
| ndk::ScopedAStatus status; |
| uint32_t effectIndex; |
| uint32_t timeMs; |
| uint32_t volLevel; |
| uint16_t scale; |
| status = getSimpleDetails(effect, strength, &effectIndex, &timeMs, &volLevel); |
| if (!status.isOk()) { |
| return status; |
| } |
| |
| scale = amplitudeToScale(volLevel, VOLTAGE_SCALE_MAX); |
| |
| switch (static_cast<AlwaysOnId>(id)) { |
| case AlwaysOnId::GPIO_RISE: |
| // mHwApi->setGpioRiseIndex(effectIndex); |
| // mHwApi->setGpioRiseScale(scale); |
| return ndk::ScopedAStatus::ok(); |
| case AlwaysOnId::GPIO_FALL: |
| // mHwApi->setGpioFallIndex(effectIndex); |
| // mHwApi->setGpioFallScale(scale); |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| ndk::ScopedAStatus Vibrator::alwaysOnDisable(int32_t id) { |
| switch (static_cast<AlwaysOnId>(id)) { |
| case AlwaysOnId::GPIO_RISE: |
| // mHwApi->setGpioRiseIndex(0); |
| return ndk::ScopedAStatus::ok(); |
| case AlwaysOnId::GPIO_FALL: |
| // mHwApi->setGpioFallIndex(0); |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| |
| ndk::ScopedAStatus Vibrator::getResonantFrequency(float *resonantFreqHz) { |
| std::string caldata{8, '0'}; |
| if (!mHwCal->getF0(&caldata)) { |
| ALOGE("Failed to get resonant frequency (%d): %s", errno, strerror(errno)); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE); |
| } |
| *resonantFreqHz = static_cast<float>(std::stoul(caldata, nullptr, 16)) / (1 << Q14_BIT_SHIFT); |
| |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::getQFactor(float *qFactor) { |
| std::string caldata{8, '0'}; |
| if (!mHwCal->getQ(&caldata)) { |
| ALOGE("Failed to get q factor (%d): %s", errno, strerror(errno)); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE); |
| } |
| *qFactor = static_cast<float>(std::stoul(caldata, nullptr, 16)) / (1 << Q16_BIT_SHIFT); |
| |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::getFrequencyResolution(float *freqResolutionHz) { |
| int32_t capabilities; |
| Vibrator::getCapabilities(&capabilities); |
| if (capabilities & IVibrator::CAP_FREQUENCY_CONTROL) { |
| *freqResolutionHz = PWLE_FREQUENCY_RESOLUTION_HZ; |
| return ndk::ScopedAStatus::ok(); |
| } else { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| } |
| |
| ndk::ScopedAStatus Vibrator::getFrequencyMinimum(float *freqMinimumHz) { |
| int32_t capabilities; |
| Vibrator::getCapabilities(&capabilities); |
| if (capabilities & IVibrator::CAP_FREQUENCY_CONTROL) { |
| *freqMinimumHz = PWLE_FREQUENCY_MIN_HZ; |
| return ndk::ScopedAStatus::ok(); |
| } else { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| } |
| |
| ndk::ScopedAStatus Vibrator::getBandwidthAmplitudeMap(std::vector<float> *_aidl_return) { |
| // TODO(b/170919640): complete implementation |
| int32_t capabilities; |
| Vibrator::getCapabilities(&capabilities); |
| if (capabilities & IVibrator::CAP_FREQUENCY_CONTROL) { |
| std::vector<float> bandwidthAmplitudeMap(PWLE_BW_MAP_SIZE, 1.0); |
| *_aidl_return = bandwidthAmplitudeMap; |
| return ndk::ScopedAStatus::ok(); |
| } else { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| } |
| |
| ndk::ScopedAStatus Vibrator::getPwlePrimitiveDurationMax(int32_t *durationMs) { |
| int32_t capabilities; |
| Vibrator::getCapabilities(&capabilities); |
| if (capabilities & IVibrator::CAP_COMPOSE_PWLE_EFFECTS) { |
| *durationMs = COMPOSE_PWLE_PRIMITIVE_DURATION_MAX_MS; |
| return ndk::ScopedAStatus::ok(); |
| } else { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| } |
| |
| ndk::ScopedAStatus Vibrator::getPwleCompositionSizeMax(int32_t *maxSize) { |
| int32_t capabilities; |
| Vibrator::getCapabilities(&capabilities); |
| if (capabilities & IVibrator::CAP_COMPOSE_PWLE_EFFECTS) { |
| *maxSize = COMPOSE_PWLE_SIZE_MAX_DEFAULT; |
| return ndk::ScopedAStatus::ok(); |
| } else { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| } |
| |
| ndk::ScopedAStatus Vibrator::getSupportedBraking(std::vector<Braking> *supported) { |
| int32_t capabilities; |
| Vibrator::getCapabilities(&capabilities); |
| if (capabilities & IVibrator::CAP_COMPOSE_PWLE_EFFECTS) { |
| *supported = { |
| Braking::NONE, |
| }; |
| return ndk::ScopedAStatus::ok(); |
| } else { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| } |
| |
| static void resetPreviousEndAmplitudeEndFrequency(float *prevEndAmplitude, |
| float *prevEndFrequency) { |
| const float reset = -1.0; |
| *prevEndAmplitude = reset; |
| *prevEndFrequency = reset; |
| } |
| |
| static void incrementIndex(int *index) { |
| *index += 1; |
| } |
| |
| static void constructPwleSegment(dspmem_chunk *ch, uint16_t delay, uint16_t amplitude, |
| uint16_t frequency, uint8_t flags, uint32_t vbemfTarget = 0) { |
| dspmem_chunk_write(ch, 16, delay); |
| dspmem_chunk_write(ch, 12, amplitude); |
| dspmem_chunk_write(ch, 12, frequency); |
| /* feature flags to control the chirp, CLAB braking, back EMF amplitude regulation */ |
| dspmem_chunk_write(ch, 8, (flags | 1) << 4); |
| if (flags & PWLE_AMP_REG_BIT) { |
| dspmem_chunk_write(ch, 24, vbemfTarget); /* target back EMF voltage */ |
| } |
| } |
| |
| static int constructActiveSegment(dspmem_chunk *ch, int duration, float amplitude, float frequency, |
| bool chirp) { |
| uint16_t delay = 0; |
| uint16_t amp = 0; |
| uint16_t freq = 0; |
| uint8_t flags = 0x0; |
| if ((floatToUint16(duration, &delay, 4, 0.0f, COMPOSE_PWLE_PRIMITIVE_DURATION_MAX_MS) < 0) || |
| (floatToUint16(amplitude, &, 2048, CS40L26_PWLE_LEVEL_MIX, CS40L26_PWLE_LEVEL_MAX) < |
| 0) || |
| (floatToUint16(frequency, &freq, 4, PWLE_FREQUENCY_MIN_HZ, PWLE_FREQUENCY_MAX_HZ) < 0)) { |
| ALOGE("Invalid argument: %d, %f, %f", duration, amplitude, frequency); |
| return -ERANGE; |
| } |
| if (chirp) { |
| flags |= PWLE_CHIRP_BIT; |
| } |
| constructPwleSegment(ch, delay, amp, freq, flags, 0 /*ignored*/); |
| return 0; |
| } |
| |
| static int constructBrakingSegment(dspmem_chunk *ch, int duration, Braking brakingType) { |
| uint16_t delay = 0; |
| uint16_t freq = 0; |
| uint8_t flags = 0x00; |
| if (floatToUint16(duration, &delay, 4, 0.0f, COMPOSE_PWLE_PRIMITIVE_DURATION_MAX_MS) < 0) { |
| ALOGE("Invalid argument: %d", duration); |
| return -ERANGE; |
| } |
| floatToUint16(PWLE_FREQUENCY_MIN_HZ, &freq, 4, PWLE_FREQUENCY_MIN_HZ, PWLE_FREQUENCY_MAX_HZ); |
| if (static_cast<std::underlying_type<Braking>::type>(brakingType)) { |
| flags |= PWLE_BRAKE_BIT; |
| } |
| |
| constructPwleSegment(ch, delay, 0 /*ignored*/, freq, flags, 0 /*ignored*/); |
| return 0; |
| } |
| |
| static void updateWLength(dspmem_chunk *ch, uint32_t totalDuration) { |
| totalDuration *= 8; /* Unit: 0.125 ms (since wlength played @ 8kHz). */ |
| totalDuration |= WT_LEN_CALCD; /* Bit 23 is for WT_LEN_CALCD; Bit 22 is for WT_INDEFINITE. */ |
| *(ch->head + 0) = (totalDuration >> 24) & 0xFF; |
| *(ch->head + 1) = (totalDuration >> 16) & 0xFF; |
| *(ch->head + 2) = (totalDuration >> 8) & 0xFF; |
| *(ch->head + 3) = totalDuration & 0xFF; |
| } |
| |
| static void updateNSection(dspmem_chunk *ch, int segmentIdx) { |
| *(ch->head + 7) |= (0xF0 & segmentIdx) >> 4; /* Bit 4 to 7 */ |
| *(ch->head + 9) |= (0x0F & segmentIdx) << 4; /* Bit 3 to 0 */ |
| } |
| |
| ndk::ScopedAStatus Vibrator::composePwle(const std::vector<PrimitivePwle> &composite, |
| const std::shared_ptr<IVibratorCallback> &callback) { |
| ATRACE_NAME("Vibrator::composePwle"); |
| int32_t capabilities; |
| |
| Vibrator::getCapabilities(&capabilities); |
| if ((capabilities & IVibrator::CAP_COMPOSE_PWLE_EFFECTS) == 0) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| |
| if (composite.empty() || composite.size() > COMPOSE_PWLE_SIZE_MAX_DEFAULT) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| |
| std::vector<Braking> supported; |
| Vibrator::getSupportedBraking(&supported); |
| bool isClabSupported = |
| std::find(supported.begin(), supported.end(), Braking::CLAB) != supported.end(); |
| |
| int segmentIdx = 0; |
| uint32_t totalDuration = 0; |
| float prevEndAmplitude; |
| float prevEndFrequency; |
| resetPreviousEndAmplitudeEndFrequency(&prevEndAmplitude, &prevEndFrequency); |
| auto ch = dspmem_chunk_create(new uint8_t[FF_CUSTOM_DATA_LEN_MAX_PWLE]{0x00}, |
| FF_CUSTOM_DATA_LEN_MAX_PWLE); |
| bool chirp = false; |
| |
| dspmem_chunk_write(ch, 24, 0x000000); /* Waveform length placeholder */ |
| dspmem_chunk_write(ch, 8, 0); /* Repeat */ |
| dspmem_chunk_write(ch, 12, 0); /* Wait time between repeats */ |
| dspmem_chunk_write(ch, 8, 0x00); /* nsections placeholder */ |
| |
| for (auto &e : composite) { |
| switch (e.getTag()) { |
| case PrimitivePwle::active: { |
| auto active = e.get<PrimitivePwle::active>(); |
| if (active.duration < 0 || |
| active.duration > COMPOSE_PWLE_PRIMITIVE_DURATION_MAX_MS) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| if (active.startAmplitude < PWLE_LEVEL_MIN || |
| active.startAmplitude > PWLE_LEVEL_MAX || |
| active.endAmplitude < PWLE_LEVEL_MIN || active.endAmplitude > PWLE_LEVEL_MAX) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| if (active.startAmplitude > CS40L26_PWLE_LEVEL_MAX) { |
| active.startAmplitude = CS40L26_PWLE_LEVEL_MAX; |
| } |
| if (active.endAmplitude > CS40L26_PWLE_LEVEL_MAX) { |
| active.endAmplitude = CS40L26_PWLE_LEVEL_MAX; |
| } |
| |
| if (active.startFrequency < PWLE_FREQUENCY_MIN_HZ || |
| active.startFrequency > PWLE_FREQUENCY_MAX_HZ || |
| active.endFrequency < PWLE_FREQUENCY_MIN_HZ || |
| active.endFrequency > PWLE_FREQUENCY_MAX_HZ) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| |
| if (!((active.startAmplitude == prevEndAmplitude) && |
| (active.startFrequency == prevEndFrequency))) { |
| if (constructActiveSegment(ch, 0, active.startAmplitude, active.startFrequency, |
| false) < 0) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| incrementIndex(&segmentIdx); |
| } |
| |
| if (active.startFrequency != active.endFrequency) { |
| chirp = true; |
| } |
| if (constructActiveSegment(ch, active.duration, active.endAmplitude, |
| active.endFrequency, chirp) < 0) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| incrementIndex(&segmentIdx); |
| |
| prevEndAmplitude = active.endAmplitude; |
| prevEndFrequency = active.endFrequency; |
| totalDuration += active.duration; |
| chirp = false; |
| break; |
| } |
| case PrimitivePwle::braking: { |
| auto braking = e.get<PrimitivePwle::braking>(); |
| if (braking.braking > Braking::CLAB) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } else if (!isClabSupported && (braking.braking == Braking::CLAB)) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| |
| if (braking.duration > COMPOSE_PWLE_PRIMITIVE_DURATION_MAX_MS) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| |
| if (constructBrakingSegment(ch, 0, braking.braking) < 0) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| incrementIndex(&segmentIdx); |
| |
| if (constructBrakingSegment(ch, braking.duration, braking.braking) < 0) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| incrementIndex(&segmentIdx); |
| |
| resetPreviousEndAmplitudeEndFrequency(&prevEndAmplitude, &prevEndFrequency); |
| totalDuration += braking.duration; |
| break; |
| } |
| } |
| |
| if (segmentIdx > COMPOSE_PWLE_SIZE_MAX_DEFAULT) { |
| ALOGE("Too many PrimitivePwle section!"); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| } |
| dspmem_chunk_flush(ch); |
| |
| /* Update wlength */ |
| totalDuration += MAX_COLD_START_LATENCY_MS; |
| if (totalDuration > 0x7FFFF) { |
| ALOGE("Total duration is too long (%d)!", totalDuration); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| updateWLength(ch, totalDuration); |
| |
| /* Update nsections */ |
| updateNSection(ch, segmentIdx); |
| |
| return performEffect(0 /*ignored*/, 0 /*ignored*/, ch, callback); |
| } |
| |
| bool Vibrator::isUnderExternalControl() { |
| return mIsUnderExternalControl; |
| } |
| |
| binder_status_t Vibrator::dump(int fd, const char **args, uint32_t numArgs) { |
| if (fd < 0) { |
| ALOGE("Called debug() with invalid fd."); |
| return STATUS_OK; |
| } |
| |
| (void)args; |
| (void)numArgs; |
| |
| dprintf(fd, "AIDL:\n"); |
| |
| dprintf(fd, " F0 Offset: %" PRIu32 "\n", mF0Offset); |
| |
| dprintf(fd, " Voltage Levels:\n"); |
| dprintf(fd, " Tick Effect Min: %" PRIu32 " Max: %" PRIu32 "\n", mTickEffectVol[0], |
| mTickEffectVol[1]); |
| dprintf(fd, " Click Effect Min: %" PRIu32 " Max: %" PRIu32 "\n", mClickEffectVol[0], |
| mClickEffectVol[1]); |
| dprintf(fd, " Long Effect Min: %" PRIu32 " Max: %" PRIu32 "\n", mLongEffectVol[0], |
| mLongEffectVol[1]); |
| |
| dprintf(fd, " FF effect:\n"); |
| dprintf(fd, " Physical waveform:\n"); |
| dprintf(fd, "\tId\tIndex\tt ->\tt'\n"); |
| for (uint8_t effectId = 0; effectId < WAVEFORM_MAX_PHYSICAL_INDEX; effectId++) { |
| dprintf(fd, "\t%d\t%d\t%d\t%d\n", mFfEffects[effectId].id, |
| mFfEffects[effectId].u.periodic.custom_data[1], mEffectDurations[effectId], |
| mFfEffects[effectId].replay.length); |
| } |
| dprintf(fd, " OWT waveform:\n"); |
| dprintf(fd, "\tId\tBytes\tData\n"); |
| for (uint8_t effectId = WAVEFORM_MAX_PHYSICAL_INDEX; effectId < WAVEFORM_MAX_INDEX; |
| effectId++) { |
| uint32_t numBytes = mFfEffects[effectId].u.periodic.custom_len * 2; |
| std::stringstream ss; |
| ss << " "; |
| for (int i = 0; i < numBytes; i++) { |
| ss << std::uppercase << std::setfill('0') << std::setw(2) << std::hex |
| << (uint16_t)(*( |
| reinterpret_cast<uint8_t *>(mFfEffects[effectId].u.periodic.custom_data) + |
| i)) |
| << " "; |
| } |
| dprintf(fd, "\t%d\t%d\t{%s}\n", mFfEffects[effectId].id, numBytes, ss.str().c_str()); |
| } |
| |
| dprintf(fd, "\n"); |
| dprintf(fd, "\n"); |
| |
| mHwApi->debug(fd); |
| |
| dprintf(fd, "\n"); |
| |
| mHwCal->debug(fd); |
| |
| fsync(fd); |
| return STATUS_OK; |
| } |
| |
| bool Vibrator::findHapticAlsaDevice(int *card, int *device) { |
| std::string line; |
| std::ifstream myfile(PROC_SND_PCM); |
| if (myfile.is_open()) { |
| while (getline(myfile, line)) { |
| if (line.find(HAPTIC_PCM_DEVICE_SYMBOL) != std::string::npos) { |
| std::stringstream ss(line); |
| std::string currentToken; |
| std::getline(ss, currentToken, ':'); |
| sscanf(currentToken.c_str(), "%d-%d", card, device); |
| return true; |
| } |
| } |
| myfile.close(); |
| } else { |
| ALOGE("Failed to read file: %s", PROC_SND_PCM); |
| } |
| return false; |
| } |
| |
| bool Vibrator::hasHapticAlsaDevice() { |
| // We need to call findHapticAlsaDevice once only. Calling in the |
| // constructor is too early in the boot process and the pcm file contents |
| // are empty. Hence we make the call here once only right before we need to. |
| static bool configHapticAlsaDeviceDone = false; |
| if (!configHapticAlsaDeviceDone) { |
| if (findHapticAlsaDevice(&mCard, &mDevice)) { |
| mHasHapticAlsaDevice = true; |
| configHapticAlsaDeviceDone = true; |
| } else { |
| ALOGE("Haptic ALSA device not supported"); |
| } |
| } |
| return mHasHapticAlsaDevice; |
| } |
| |
| bool Vibrator::enableHapticPcmAmp(struct pcm **haptic_pcm, bool enable, int card, int device) { |
| int ret = 0; |
| |
| if (enable) { |
| *haptic_pcm = pcm_open(card, device, PCM_OUT, &haptic_nohost_config); |
| if (!pcm_is_ready(*haptic_pcm)) { |
| ALOGE("cannot open pcm_out driver: %s", pcm_get_error(*haptic_pcm)); |
| goto fail; |
| } |
| |
| ret = pcm_prepare(*haptic_pcm); |
| if (ret < 0) { |
| ALOGE("cannot prepare haptic_pcm: %s", pcm_get_error(*haptic_pcm)); |
| goto fail; |
| } |
| |
| ret = pcm_start(*haptic_pcm); |
| if (ret < 0) { |
| ALOGE("cannot start haptic_pcm: %s", pcm_get_error(*haptic_pcm)); |
| goto fail; |
| } |
| |
| return true; |
| } else { |
| if (*haptic_pcm) { |
| pcm_close(*haptic_pcm); |
| *haptic_pcm = NULL; |
| } |
| return true; |
| } |
| |
| fail: |
| pcm_close(*haptic_pcm); |
| *haptic_pcm = NULL; |
| return false; |
| } |
| |
| ndk::ScopedAStatus Vibrator::getSimpleDetails(Effect effect, EffectStrength strength, |
| uint32_t *outEffectIndex, uint32_t *outTimeMs, |
| uint32_t *outVolLevel) { |
| uint32_t effectIndex; |
| uint32_t timeMs; |
| float intensity; |
| uint32_t volLevel; |
| switch (strength) { |
| case EffectStrength::LIGHT: |
| intensity = 0.5f; |
| break; |
| case EffectStrength::MEDIUM: |
| intensity = 0.7f; |
| break; |
| case EffectStrength::STRONG: |
| intensity = 1.0f; |
| break; |
| default: |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| |
| switch (effect) { |
| case Effect::TEXTURE_TICK: |
| effectIndex = WAVEFORM_LIGHT_TICK_INDEX; |
| intensity *= 0.5f; |
| break; |
| case Effect::TICK: |
| effectIndex = WAVEFORM_CLICK_INDEX; |
| intensity *= 0.5f; |
| break; |
| case Effect::CLICK: |
| effectIndex = WAVEFORM_CLICK_INDEX; |
| intensity *= 0.7f; |
| break; |
| case Effect::HEAVY_CLICK: |
| effectIndex = WAVEFORM_CLICK_INDEX; |
| intensity *= 1.0f; |
| break; |
| default: |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| |
| volLevel = intensityToVolLevel(intensity, effectIndex); |
| timeMs = mEffectDurations[effectIndex] + MAX_COLD_START_LATENCY_MS; |
| |
| *outEffectIndex = effectIndex; |
| *outTimeMs = timeMs; |
| *outVolLevel = volLevel; |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::getCompoundDetails(Effect effect, EffectStrength strength, |
| uint32_t *outTimeMs, dspmem_chunk *outCh) { |
| ndk::ScopedAStatus status; |
| uint32_t timeMs = 0; |
| uint32_t thisEffectIndex; |
| uint32_t thisTimeMs; |
| uint32_t thisVolLevel; |
| switch (effect) { |
| case Effect::DOUBLE_CLICK: |
| dspmem_chunk_write(outCh, 8, 0); /* Padding */ |
| dspmem_chunk_write(outCh, 8, 2); /* nsections */ |
| dspmem_chunk_write(outCh, 8, 0); /* repeat */ |
| |
| status = getSimpleDetails(Effect::CLICK, strength, &thisEffectIndex, &thisTimeMs, |
| &thisVolLevel); |
| if (!status.isOk()) { |
| return status; |
| } |
| timeMs += thisTimeMs; |
| |
| dspmem_chunk_write(outCh, 8, (uint8_t)(0xFF & thisVolLevel)); /* amplitude */ |
| dspmem_chunk_write(outCh, 8, (uint8_t)(0xFF & thisEffectIndex)); /* index */ |
| dspmem_chunk_write(outCh, 8, 0); /* repeat */ |
| dspmem_chunk_write(outCh, 8, 0); /* flags */ |
| dspmem_chunk_write(outCh, 16, |
| (uint16_t)(0xFFFF & WAVEFORM_DOUBLE_CLICK_SILENCE_MS)); /* delay */ |
| |
| timeMs += WAVEFORM_DOUBLE_CLICK_SILENCE_MS + MAX_PAUSE_TIMING_ERROR_MS; |
| |
| status = getSimpleDetails(Effect::HEAVY_CLICK, strength, &thisEffectIndex, &thisTimeMs, |
| &thisVolLevel); |
| if (!status.isOk()) { |
| return status; |
| } |
| timeMs += thisTimeMs; |
| |
| dspmem_chunk_write(outCh, 8, (uint8_t)(0xFF & thisVolLevel)); /* amplitude */ |
| dspmem_chunk_write(outCh, 8, (uint8_t)(0xFF & thisEffectIndex)); /* index */ |
| dspmem_chunk_write(outCh, 8, 0); /* repeat */ |
| dspmem_chunk_write(outCh, 8, 0); /* flags */ |
| dspmem_chunk_write(outCh, 16, 0); /* delay */ |
| dspmem_chunk_flush(outCh); |
| |
| break; |
| default: |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| |
| *outTimeMs = timeMs; |
| |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::getPrimitiveDetails(CompositePrimitive primitive, |
| uint32_t *outEffectIndex) { |
| uint32_t effectIndex; |
| uint32_t primitiveBit = 1 << int32_t(primitive); |
| if ((primitiveBit & mSupportedPrimitivesBits) == 0x0) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| |
| switch (primitive) { |
| case CompositePrimitive::NOOP: |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| case CompositePrimitive::CLICK: |
| effectIndex = WAVEFORM_CLICK_INDEX; |
| break; |
| case CompositePrimitive::THUD: |
| effectIndex = WAVEFORM_THUD_INDEX; |
| break; |
| case CompositePrimitive::SPIN: |
| effectIndex = WAVEFORM_SPIN_INDEX; |
| break; |
| case CompositePrimitive::QUICK_RISE: |
| effectIndex = WAVEFORM_QUICK_RISE_INDEX; |
| break; |
| case CompositePrimitive::SLOW_RISE: |
| effectIndex = WAVEFORM_SLOW_RISE_INDEX; |
| break; |
| case CompositePrimitive::QUICK_FALL: |
| effectIndex = WAVEFORM_QUICK_FALL_INDEX; |
| break; |
| case CompositePrimitive::LIGHT_TICK: |
| effectIndex = WAVEFORM_LIGHT_TICK_INDEX; |
| break; |
| case CompositePrimitive::LOW_TICK: |
| effectIndex = WAVEFORM_LOW_TICK_INDEX; |
| break; |
| default: |
| return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| } |
| |
| *outEffectIndex = effectIndex; |
| |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::uploadOwtEffect(uint8_t *owtData, uint32_t numBytes, |
| uint32_t *outEffectIndex) { |
| if (owtData == nullptr) { |
| ALOGE("Invalid waveform bank"); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| |
| bool isPwle = (*reinterpret_cast<uint16_t *>(owtData) != 0x0000); |
| WaveformIndex targetId = isPwle ? WAVEFORM_PWLE : WAVEFORM_COMPOSE; |
| |
| uint32_t freeBytes; |
| mHwApi->getOwtFreeSpace(&freeBytes); |
| if (numBytes > freeBytes) { |
| ALOGE("Effect %d length: %d > %d!", targetId, numBytes, freeBytes); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } |
| |
| mFfEffects[targetId].u.periodic.custom_len = numBytes / sizeof(uint16_t); |
| delete[](mFfEffects[targetId].u.periodic.custom_data); |
| mFfEffects[targetId].u.periodic.custom_data = |
| new int16_t[mFfEffects[targetId].u.periodic.custom_len]{0x0000}; |
| if (mFfEffects[targetId].u.periodic.custom_data == nullptr) { |
| ALOGE("Failed to allocate memory for custom data\n"); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_NULL_POINTER); |
| } |
| memcpy(mFfEffects[targetId].u.periodic.custom_data, owtData, numBytes); |
| |
| /* |
| * Erase the created OWT waveform. If no error, the HAL, ff-core and haptics driver effect lists |
| * are properly aligned. Hence, proceed to add a new effect to play. If failed, scanarios are as |
| * follows: |
| * 1. ENOMEM 12 Out of memory: |
| * Driver effect list is empty while HAL and ff-cores' are not. |
| * Effect editing can add the OWT effect to driver while keep the original effect ID. |
| * 2. EACCES 13 Permission denied: |
| * Effect was created by others or previous HAL instance (HAL got restarted). |
| * No way to erase old effects managed by ff-core and need reboot. |
| */ |
| bool isCreated = (mFfEffects[targetId].id != -1); |
| if (isCreated && ioctl(mInputFd, EVIOCRMFF, targetId) < 0) { |
| ALOGW("Failed to erase effect %d(%d) (%d): %s", targetId, mFfEffects[targetId].id, errno, |
| strerror(errno)); |
| mFfEffects[targetId].id = targetId; |
| |
| /* Edit the current effect to see if we can make effect lists aligned. */ |
| if (ioctl(mInputFd, EVIOCSFF, &mFfEffects[targetId]) < 0) { |
| /* If it is EINVAL 22 Invalid argument, the owner is not the current HAL instance. */ |
| ALOGE("Failed to upload effect %d (%d): %s", targetId, errno, strerror(errno)); |
| delete[](mFfEffects[targetId].u.periodic.custom_data); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE); |
| } else { |
| ALOGV("Successful to overwrite effect %d.", targetId); |
| } |
| } else { |
| /* Create a new OWT waveform to update the PWLE or composite effect. */ |
| mFfEffects[targetId].id = -1; |
| if (ioctl(mInputFd, EVIOCSFF, &mFfEffects[targetId]) < 0) { |
| ALOGE("Failed to upload effect %d (%d): %s", targetId, errno, strerror(errno)); |
| delete[](mFfEffects[targetId].u.periodic.custom_data); |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE); |
| } |
| } |
| |
| *outEffectIndex = mFfEffects[targetId].id; |
| |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| ndk::ScopedAStatus Vibrator::performEffect(Effect effect, EffectStrength strength, |
| const std::shared_ptr<IVibratorCallback> &callback, |
| int32_t *outTimeMs) { |
| ndk::ScopedAStatus status; |
| uint32_t effectIndex; |
| uint32_t timeMs = 0; |
| uint32_t volLevel; |
| dspmem_chunk *ch = nullptr; |
| |
| switch (effect) { |
| case Effect::TEXTURE_TICK: |
| // fall-through |
| case Effect::TICK: |
| // fall-through |
| case Effect::CLICK: |
| // fall-through |
| case Effect::HEAVY_CLICK: |
| status = getSimpleDetails(effect, strength, &effectIndex, &timeMs, &volLevel); |
| break; |
| case Effect::DOUBLE_CLICK: |
| ch = dspmem_chunk_create(new uint8_t[FF_CUSTOM_DATA_LEN_MAX_COMP]{0x00}, |
| FF_CUSTOM_DATA_LEN_MAX_COMP); |
| status = getCompoundDetails(effect, strength, &timeMs, ch); |
| break; |
| default: |
| status = ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION); |
| break; |
| } |
| if (!status.isOk()) { |
| goto exit; |
| } |
| |
| status = performEffect(static_cast<uint16_t>(effectIndex), volLevel, ch, callback); |
| |
| exit: |
| *outTimeMs = timeMs; |
| return status; |
| } |
| |
| ndk::ScopedAStatus Vibrator::performEffect(uint32_t effectIndex, uint32_t volLevel, |
| dspmem_chunk *ch, |
| const std::shared_ptr<IVibratorCallback> &callback) { |
| if (ch) { |
| ndk::ScopedAStatus status = uploadOwtEffect(ch->head, dspmem_chunk_bytes(ch), &effectIndex); |
| delete ch; |
| if (!status.isOk()) { |
| return status; |
| } |
| setEffectAmplitude(VOLTAGE_SCALE_MAX, VOLTAGE_SCALE_MAX); |
| } else { |
| setEffectAmplitude(volLevel, VOLTAGE_SCALE_MAX); |
| } |
| |
| return on(MAX_TIME_MS, effectIndex, callback); |
| } |
| |
| void Vibrator::waitForComplete(std::shared_ptr<IVibratorCallback> &&callback) { |
| if (!mHwApi->pollVibeState(VIBE_STATE_HAPTIC, POLLING_TIMEOUT)) { |
| ALOGE("Fail to get state \"Haptic\""); |
| } |
| mHwApi->pollVibeState(VIBE_STATE_STOPPED); |
| |
| if (callback) { |
| auto ret = callback->onComplete(); |
| if (!ret.isOk()) { |
| ALOGE("Failed completion callback: %d", ret.getExceptionCode()); |
| } |
| } |
| } |
| |
| uint32_t Vibrator::intensityToVolLevel(float intensity, uint32_t effectIndex) { |
| uint32_t volLevel; |
| auto calc = [](float intst, std::array<uint32_t, 2> v) -> uint32_t { |
| return std::lround(intst * (v[1] - v[0])) + v[0]; |
| }; |
| |
| switch (effectIndex) { |
| case WAVEFORM_LIGHT_TICK_INDEX: |
| volLevel = calc(intensity, mTickEffectVol); |
| break; |
| case WAVEFORM_QUICK_RISE_INDEX: |
| // fall-through |
| case WAVEFORM_QUICK_FALL_INDEX: |
| volLevel = calc(intensity, mLongEffectVol); |
| break; |
| case WAVEFORM_CLICK_INDEX: |
| // fall-through |
| case WAVEFORM_THUD_INDEX: |
| // fall-through |
| case WAVEFORM_SPIN_INDEX: |
| // fall-through |
| case WAVEFORM_SLOW_RISE_INDEX: |
| // fall-through |
| default: |
| volLevel = calc(intensity, mClickEffectVol); |
| break; |
| } |
| return volLevel; |
| } |
| |
| } // namespace vibrator |
| } // namespace hardware |
| } // namespace android |
| } // namespace aidl |
