gts3l-common: light: Add light HIDL implements
Signed-off-by: Deokgyu Yang <secugyu@gmail.com> Change-Id: I6731c872fb40ed342e5088ed729389d4e291885a
This commit is contained in:
parent
445b656d9a
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6 changed files with 441 additions and 0 deletions
41
light/Android.mk
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41
light/Android.mk
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#
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# Copyright (C) 2019 The LineageOS Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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LOCAL_PATH := $(call my-dir)
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include $(CLEAR_VARS)
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LOCAL_SRC_FILES := \
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Light.cpp \
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service.cpp
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LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
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LOCAL_SHARED_LIBRARIES := \
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libbase \
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libbinder \
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libhidlbase \
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libutils \
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android.hardware.light@2.0
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LOCAL_MODULE := android.hardware.light@2.0-service.samsung
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LOCAL_INIT_RC := android.hardware.light@2.0-service.samsung.rc
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LOCAL_MODULE_RELATIVE_PATH := hw
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LOCAL_MODULE_TAGS := optional
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LOCAL_MODULE_OWNER := samsung
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LOCAL_VENDOR_MODULE := true
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include $(BUILD_EXECUTABLE)
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205
light/Light.cpp
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205
light/Light.cpp
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@ -0,0 +1,205 @@
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/*
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* Copyright (C) 2019 The LineageOS Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "android.hardware.light@2.0-service.samsung"
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#include <android-base/stringprintf.h>
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#include <iomanip>
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#include "Light.h"
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#define COLOR_MASK 0x00ffffff
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#define MAX_INPUT_BRIGHTNESS 255
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using android::hardware::light::V2_0::LightState;
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using android::hardware::light::V2_0::Status;
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using android::hardware::light::V2_0::Type;
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namespace android {
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namespace hardware {
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namespace light {
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namespace V2_0 {
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namespace implementation {
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/*
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* Write value to path and close file.
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*/
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template <typename T>
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static void set(const std::string& path, const T& value) {
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std::ofstream file(path);
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file << value << std::endl;
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}
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template <typename T>
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static T get(const std::string& path, const T& def) {
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std::ifstream file(path);
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T result;
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file >> result;
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return file.fail() ? def : result;
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}
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Light::Light() {
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mLights.emplace(Type::BACKLIGHT,
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std::bind(&Light::handleBacklight, this, std::placeholders::_1));
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#ifdef BUTTON_BRIGHTNESS_NODE
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mLights.emplace(Type::BUTTONS, std::bind(&Light::handleButtons, this, std::placeholders::_1));
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#endif /* BUTTON_BRIGHTNESS_NODE */
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#ifdef LED_BLINK_NODE
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mLights.emplace(Type::BATTERY, std::bind(&Light::handleBattery, this, std::placeholders::_1));
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mLights.emplace(Type::NOTIFICATIONS,
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std::bind(&Light::handleNotifications, this, std::placeholders::_1));
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mLights.emplace(Type::ATTENTION,
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std::bind(&Light::handleAttention, this, std::placeholders::_1));
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#endif /* LED_BLINK_NODE */
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}
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Return<Status> Light::setLight(Type type, const LightState& state) {
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auto it = mLights.find(type);
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if (it == mLights.end()) {
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return Status::LIGHT_NOT_SUPPORTED;
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}
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/*
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* Lock global mutex until light state is updated.
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*/
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std::lock_guard<std::mutex> lock(mLock);
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it->second(state);
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return Status::SUCCESS;
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}
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void Light::handleBacklight(const LightState& state) {
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uint32_t max_brightness = get(PANEL_MAX_BRIGHTNESS_NODE, MAX_INPUT_BRIGHTNESS);
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uint32_t brightness = rgbToBrightness(state);
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if (max_brightness != MAX_INPUT_BRIGHTNESS) {
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brightness = brightness * max_brightness / MAX_INPUT_BRIGHTNESS;
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}
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set(PANEL_BRIGHTNESS_NODE, brightness);
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}
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#ifdef BUTTON_BRIGHTNESS_NODE
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void Light::handleButtons(const LightState& state) {
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#ifdef VAR_BUTTON_BRIGHTNESS
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uint32_t brightness = rgbToBrightness(state);
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#else
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uint32_t brightness = (state.color & COLOR_MASK) ? 1 : 0;
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#endif
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set(BUTTON_BRIGHTNESS_NODE, brightness);
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}
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#endif
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#ifdef LED_BLINK_NODE
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void Light::handleBattery(const LightState& state) {
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mBatteryState = state;
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setNotificationLED();
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}
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void Light::handleNotifications(const LightState& state) {
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mNotificationState = state;
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setNotificationLED();
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}
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void Light::handleAttention(const LightState& state) {
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mAttentionState = state;
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setNotificationLED();
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}
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void Light::setNotificationLED() {
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int32_t adjusted_brightness = MAX_INPUT_BRIGHTNESS;
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LightState state;
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#ifdef LED_BLN_NODE
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bool bln = false;
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#endif /* LED_BLN_NODE */
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if (mNotificationState.color & COLOR_MASK) {
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adjusted_brightness = LED_BRIGHTNESS_NOTIFICATION;
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state = mNotificationState;
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#ifdef LED_BLN_NODE
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bln = true;
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#endif /* LED_BLN_NODE */
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} else if (mAttentionState.color & COLOR_MASK) {
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adjusted_brightness = LED_BRIGHTNESS_ATTENTION;
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state = mAttentionState;
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if (state.flashMode == Flash::HARDWARE) {
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if (state.flashOnMs > 0 && state.flashOffMs == 0) state.flashMode = Flash::NONE;
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state.color = 0x000000ff;
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}
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if (state.flashMode == Flash::NONE) {
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state.color = 0;
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}
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} else if (mBatteryState.color & COLOR_MASK) {
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adjusted_brightness = LED_BRIGHTNESS_BATTERY;
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state = mBatteryState;
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} else {
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set(LED_BLINK_NODE, "0x00000000 0 0");
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return;
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}
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if (state.flashMode == Flash::NONE) {
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state.flashOnMs = 0;
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state.flashOffMs = 0;
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}
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state.color = calibrateColor(state.color & COLOR_MASK, adjusted_brightness);
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set(LED_BLINK_NODE, android::base::StringPrintf("0x%08x %d %d", state.color, state.flashOnMs,
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state.flashOffMs));
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#ifdef LED_BLN_NODE
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if (bln) {
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set(LED_BLN_NODE, (state.color & COLOR_MASK) ? 1 : 0);
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}
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#endif /* LED_BLN_NODE */
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}
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uint32_t Light::calibrateColor(uint32_t color, int32_t brightness) {
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uint32_t red = ((color >> 16) & 0xFF) * LED_ADJUSTMENT_R;
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uint32_t green = ((color >> 8) & 0xFF) * LED_ADJUSTMENT_G;
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uint32_t blue = (color & 0xFF) * LED_ADJUSTMENT_B;
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return (((red * brightness) / 255) << 16) + (((green * brightness) / 255) << 8) +
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((blue * brightness) / 255);
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}
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#endif /* LED_BLINK_NODE */
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Return<void> Light::getSupportedTypes(getSupportedTypes_cb _hidl_cb) {
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std::vector<Type> types;
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for (auto const& light : mLights) {
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types.push_back(light.first);
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}
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_hidl_cb(types);
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return Void();
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}
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uint32_t Light::rgbToBrightness(const LightState& state) {
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uint32_t color = state.color & COLOR_MASK;
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return ((77 * ((color >> 16) & 0xff)) + (150 * ((color >> 8) & 0xff)) + (29 * (color & 0xff))) >>
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8;
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}
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} // namespace implementation
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} // namespace V2_0
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} // namespace light
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} // namespace hardware
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} // namespace android
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76
light/Light.h
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76
light/Light.h
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/*
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* Copyright (C) 2019 The LineageOS Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
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#define ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
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#include <android/hardware/light/2.0/ILight.h>
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#include <hidl/MQDescriptor.h>
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#include <hidl/Status.h>
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#include <fstream>
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#include <unordered_map>
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#include "samsung_lights.h"
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namespace android {
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namespace hardware {
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namespace light {
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namespace V2_0 {
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namespace implementation {
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using ::android::sp;
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using ::android::hardware::hidl_array;
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using ::android::hardware::hidl_memory;
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using ::android::hardware::hidl_string;
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using ::android::hardware::hidl_vec;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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struct Light : public ILight {
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Light();
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Return<Status> setLight(Type type, const LightState& state) override;
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Return<void> getSupportedTypes(getSupportedTypes_cb _hidl_cb) override;
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private:
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void handleBacklight(const LightState& state);
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#ifdef BUTTON_BRIGHTNESS_NODE
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void handleButtons(const LightState& state);
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#endif /* BUTTON_BRIGHTNESS_NODE */
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#ifdef LED_BLINK_NODE
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void handleBattery(const LightState& state);
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void handleNotifications(const LightState& state);
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void handleAttention(const LightState& state);
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void setNotificationLED();
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uint32_t calibrateColor(uint32_t color, int32_t brightness);
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LightState mAttentionState;
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LightState mBatteryState;
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LightState mNotificationState;
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#endif /* LED_BLINK_NODE */
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uint32_t rgbToBrightness(const LightState& state);
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std::mutex mLock;
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std::unordered_map<Type, std::function<void(const LightState&)>> mLights;
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};
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} // namespace implementation
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} // namespace V2_0
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} // namespace light
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} // namespace hardware
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} // namespace android
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#endif // ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
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7
light/android.hardware.light@2.0-service.samsung.rc
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7
light/android.hardware.light@2.0-service.samsung.rc
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service vendor.light-hal-2-0 /vendor/bin/hw/android.hardware.light@2.0-service.samsung
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interface android.hardware.light@2.0::ILight default
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class hal
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user system
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group system
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# shutting off lights while powering-off
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shutdown critical
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58
light/include/samsung_lights.h
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58
light/include/samsung_lights.h
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/*
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* Copyright (C) 2016 The CyanogenMod Project
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* Copyright (C) 2017 The LineageOS Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SAMSUNG_LIGHTS_H
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#define SAMSUNG_LIGHTS_H
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/*
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* Board specific nodes
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*
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* If your kernel exposes these controls in another place, you can either
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* symlink to the locations given here, or override this header in your
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* device tree.
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*/
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#define PANEL_BRIGHTNESS_NODE "/sys/class/backlight/panel/brightness"
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#define PANEL_MAX_BRIGHTNESS_NODE "/sys/class/backlight/panel/max_brightness"
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#define BUTTON_BRIGHTNESS_NODE "/sys/class/sec/sec_touchkey/brightness"
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#define LED_BLINK_NODE "/sys/class/sec/led/led_blink"
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#define LED_BLN_NODE "/sys/class/misc/backlightnotification/notification_led"
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// Uncomment to enable variable button brightness
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//#define VAR_BUTTON_BRIGHTNESS 1
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/*
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* Brightness adjustment factors
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*
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* If one of your device's LEDs is more powerful than the others, use these
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* values to equalise them. This value is in the range 0.0-1.0.
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*/
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#define LED_ADJUSTMENT_R 1.0
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#define LED_ADJUSTMENT_G 1.0
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#define LED_ADJUSTMENT_B 1.0
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/*
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* Light brightness factors
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*
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* It might make sense for all colours to be scaled down (for example, if your
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* LED is too bright). Use these values to adjust the brightness of each
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* light. This value is within the range 0-255.
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*/
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#define LED_BRIGHTNESS_BATTERY 255
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#define LED_BRIGHTNESS_NOTIFICATION 255
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#define LED_BRIGHTNESS_ATTENTION 255
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#endif // SAMSUNG_LIGHTS_H
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54
light/service.cpp
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54
light/service.cpp
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/*
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* Copyright (C) 2019 The LineageOS Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
|
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* distributed under the License is distributed on an "AS IS" BASIS,
|
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
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* See the License for the specific language governing permissions and
|
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* limitations under the License.
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*/
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#define LOG_TAG "android.hardware.light@2.0-service.samsung"
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#include <android-base/logging.h>
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#include <hidl/HidlTransportSupport.h>
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#include <utils/Errors.h>
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#include "Light.h"
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using android::hardware::configureRpcThreadpool;
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using android::hardware::joinRpcThreadpool;
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using android::hardware::light::V2_0::ILight;
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using android::hardware::light::V2_0::implementation::Light;
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using android::OK;
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using android::sp;
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using android::status_t;
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int main() {
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sp<ILight> light = new Light();
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configureRpcThreadpool(1, true);
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status_t status = light->registerAsService();
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if (status != OK) {
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LOG(ERROR) << "Could not register service for Light HAL";
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goto shutdown;
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}
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LOG(INFO) << "Light HAL service is Ready.";
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joinRpcThreadpool();
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shutdown:
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// In normal operation, we don't expect the thread pool to shutdown
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LOG(ERROR) << "Light HAL failed to join thread pool.";
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return 1;
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}
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