kunlun2: Update Light HAL
This commit is contained in:
deanlancer
GiaSen
parent
3976e2254b
commit
9eafbb49c3
4 changed files with 220 additions and 229 deletions
316
light/Light.cpp
316
light/Light.cpp
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@ -1,5 +1,8 @@
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/*
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* Copyright (C) 2018-2019 The LineageOS Project
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* Copyright (C) 2014, 2017-2018 The Linux Foundation. All rights reserved.
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* Not a contribution
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* Copyright (C) 2008 The Android Open Source Project
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* Copyright (C) 2018 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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@ -14,192 +17,159 @@
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* limitations under the License.
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*/
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#define LOG_TAG "LightService"
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#include <log/log.h>
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#define LOG_TAG "LightsService"
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#include "Light.h"
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#include <android-base/logging.h>
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#include <android-base/stringprintf.h>
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#include <fstream>
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#define LCD_LED "/sys/class/leds/wled/"
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#define RED_LED "/sys/class/leds/red/"
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#define BLUE_LED "/sys/class/leds/blue/"
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#define GREEN_LED "/sys/class/leds/green/"
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#define BREATH "breath"
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#define BRIGHTNESS "brightness"
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#define MAX_BRIGHTNESS "max_brightness"
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#define DELAY_OFF "delay_off"
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#define DELAY_ON "delay_on"
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namespace {
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/*
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* Write value to path and close file.
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*/
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static void set(std::string path, std::string value) {
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std::ofstream file(path);
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if (!file.is_open()) {
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ALOGW("failed to write %s to %s", value.c_str(), path.c_str());
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return;
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}
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file << value;
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}
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static void set(std::string path, int value) {
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set(path, std::to_string(value));
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}
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static int get(std::string path) {
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std::ifstream file(path);
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int value;
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if (!file.is_open()) {
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ALOGW("failed to read from %s", path.c_str());
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return 0;
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}
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file >> value;
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return value;
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}
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static int getMaxBrightness(std::string path) {
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int value = get(path);
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ALOGW("Got max brightness %d", value);
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return value;
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}
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static uint32_t getBrightness(const LightState& state) {
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uint32_t alpha, red, green, blue;
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/*
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* Extract brightness from AARRGGBB.
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*/
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alpha = (state.color >> 24) & 0xFF;
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red = (state.color >> 16) & 0xFF;
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green = (state.color >> 8) & 0xFF;
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blue = state.color & 0xFF;
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/*
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* Scale RGB brightness if Alpha brightness is not 0xFF.
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*/
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if (alpha != 0xFF) {
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red = red * alpha / 0xFF;
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green = green * alpha / 0xFF;
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blue = blue * alpha / 0xFF;
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}
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return (77 * red + 150 * green + 29 * blue) >> 8;
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}
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static inline uint32_t scaleBrightness(uint32_t brightness, uint32_t maxBrightness) {
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return brightness * maxBrightness / 0xFF;
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}
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static inline uint32_t getScaledBrightness(const LightState& state, uint32_t maxBrightness) {
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return scaleBrightness(getBrightness(state), maxBrightness);
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}
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static void handleBacklight(const LightState& state) {
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uint32_t brightness = getScaledBrightness(state, getMaxBrightness(LCD_LED MAX_BRIGHTNESS));
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set(LCD_LED BRIGHTNESS, brightness);
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}
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static void handleNotification(const LightState& state) {
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uint32_t redBrightness = scaleBrightness( (state.color >> 16) & 0xFF, getMaxBrightness(RED_LED MAX_BRIGHTNESS));
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uint32_t blueBrightness = scaleBrightness( state.color & 0xFF, getMaxBrightness(BLUE_LED MAX_BRIGHTNESS));
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uint32_t greenBrightness = scaleBrightness((state.color >> 8) & 0xFF, getMaxBrightness(GREEN_LED MAX_BRIGHTNESS));
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/* Disable breathing or blinking */
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set(RED_LED BREATH, 0);
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set(RED_LED DELAY_OFF, 0);
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set(RED_LED DELAY_ON, 0);
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set(BLUE_LED BREATH, 0);
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set(BLUE_LED DELAY_OFF, 0);
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set(BLUE_LED DELAY_ON, 0);
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set(GREEN_LED BREATH, 0);
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set(GREEN_LED DELAY_OFF, 0);
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set(GREEN_LED DELAY_ON, 0);
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switch (state.flashMode) {
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case Flash::HARDWARE:
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/* Breathing */
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set(RED_LED BREATH, 1);
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set(BLUE_LED BREATH, 1);
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set(GREEN_LED BREATH, 1);
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break;
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case Flash::TIMED:
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/* Blinking */
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set(RED_LED DELAY_OFF, state.flashOnMs);
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set(RED_LED DELAY_ON, state.flashOffMs);
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set(BLUE_LED DELAY_OFF, state.flashOnMs);
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set(BLUE_LED DELAY_ON, state.flashOffMs);
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set(GREEN_LED DELAY_OFF, state.flashOnMs);
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set(GREEN_LED DELAY_ON, state.flashOffMs);
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break;
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case Flash::NONE:
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default:
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break;
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}
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set(RED_LED BRIGHTNESS, redBrightness);
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set(BLUE_LED BRIGHTNESS, blueBrightness);
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set(GREEN_LED BRIGHTNESS, greenBrightness);
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}
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static inline bool isLit(const LightState& state) {
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return state.color & 0x00ffffff;
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}
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/* Keep sorted in the order of importance. */
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static std::vector<LightBackend> backends = {
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{ Type::ATTENTION, handleNotification },
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{ Type::NOTIFICATIONS, handleNotification },
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{ Type::BATTERY, handleNotification },
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{ Type::BACKLIGHT, handleBacklight },
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};
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} // anonymous namespace
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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;
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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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static int rgbToBrightness(const LightState& state) {
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int color = state.color & 0x00ffffff;
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return ((77 * ((color >> 16) & 0x00ff))
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+ (150 * ((color >> 8) & 0x00ff))
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+ (29 * (color & 0x00ff))) >> 8;
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}
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Light::Light() {
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mLights.emplace(Type::ATTENTION, std::bind(&Light::handleRgb, this, std::placeholders::_1, 0));
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mLights.emplace(Type::BACKLIGHT, std::bind(&Light::handleBacklight, this, std::placeholders::_1));
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mLights.emplace(Type::BATTERY, std::bind(&Light::handleRgb, this, std::placeholders::_1, 2));
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mLights.emplace(Type::NOTIFICATIONS, std::bind(&Light::handleRgb, this, std::placeholders::_1, 1));
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}
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void Light::handleBacklight(const LightState& state) {
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int maxBrightness = get("/sys/class/backlight/panel0-backlight/max_brightness", -1);
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if (maxBrightness < 0) {
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maxBrightness = 255;
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}
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int sentBrightness = rgbToBrightness(state);
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int brightness = sentBrightness * maxBrightness / 255;
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LOG(DEBUG) << "Writing backlight brightness " << brightness
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<< " (orig " << sentBrightness << ")";
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set("/sys/class/backlight/panel0-backlight/brightness", brightness);
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}
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void Light::handleRgb(const LightState& state, size_t index) {
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mLightStates.at(index) = state;
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LightState stateToUse = mLightStates.front();
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for (const auto& lightState : mLightStates) {
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if (lightState.color & 0xffffff) {
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stateToUse = lightState;
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break;
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}
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}
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std::map<std::string, int> colorValues;
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colorValues["red"] = (stateToUse.color >> 16) & 0xff;
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// lower green and blue brightness to adjust for the (lower) brightness of red
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colorValues["green"] = ((stateToUse.color >> 8) & 0xff) / 2;
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colorValues["blue"] = (stateToUse.color & 0xff) / 2;
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int onMs = stateToUse.flashMode == Flash::TIMED ? stateToUse.flashOnMs : 0;
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int offMs = stateToUse.flashMode == Flash::TIMED ? stateToUse.flashOffMs : 0;
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// LUT has 63 entries, we could theoretically use them as 3 (colors) * 21 (steps).
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// However, the last LUT entries don't seem to behave correctly for unknown
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// reasons, so we use 17 steps for a total of 51 LUT entries only.
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static constexpr int kRampSteps = 16;
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static constexpr int kRampMaxStepDurationMs = 15;
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auto makeLedPath = [](const std::string& led, const std::string& op) -> std::string {
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return "/sys/class/leds/" + led + "/" + op;
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};
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auto getScaledDutyPercent = [](int brightness) -> std::string {
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std::string output;
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for (int i = 0; i <= kRampSteps; i++) {
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if (i != 0) {
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output += ",";
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}
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output += std::to_string(i * 512 * brightness / (255 * kRampSteps));
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}
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return output;
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};
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// Disable all blinking before starting
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for (const auto& entry : colorValues) {
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set(makeLedPath(entry.first, "blink"), 0);
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}
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if (onMs > 0 && offMs > 0) {
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int pauseLo, pauseHi, stepDuration, index = 0;
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if (kRampMaxStepDurationMs * kRampSteps > onMs) {
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stepDuration = onMs / kRampSteps;
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pauseHi = 0;
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pauseLo = offMs;
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} else {
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stepDuration = kRampMaxStepDurationMs;
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pauseHi = onMs - kRampSteps * stepDuration;
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pauseLo = offMs - kRampSteps * stepDuration;
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}
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for (const auto& entry : colorValues) {
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set(makeLedPath(entry.first, "lut_flags"), 95);
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set(makeLedPath(entry.first, "start_idx"), index);
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set(makeLedPath(entry.first, "duty_pcts"), getScaledDutyPercent(entry.second));
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set(makeLedPath(entry.first, "pause_lo"), pauseLo);
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set(makeLedPath(entry.first, "pause_hi"), pauseHi);
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set(makeLedPath(entry.first, "ramp_step_ms"), stepDuration);
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index += kRampSteps + 1;
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}
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// Start blinking
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for (const auto& entry : colorValues) {
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set(makeLedPath(entry.first, "blink"), entry.second);
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}
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} else {
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for (const auto& entry : colorValues) {
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set(makeLedPath(entry.first, "brightness"), entry.second);
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}
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}
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LOG(DEBUG) << base::StringPrintf(
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"handleRgb: mode=%d, color=%08X, onMs=%d, offMs=%d",
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static_cast<std::underlying_type<Flash>::type>(stateToUse.flashMode), stateToUse.color,
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onMs, offMs);
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}
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Return<Status> Light::setLight(Type type, const LightState& state) {
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LightStateHandler handler = nullptr;
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auto it = mLights.find(type);
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/* Lock global mutex until light state is updated. */
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std::lock_guard<std::mutex> lock(globalLock);
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/* Update the cached state value for the current type. */
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for (LightBackend& backend : backends) {
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if (backend.type == type) {
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backend.state = state;
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handler = backend.handler;
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}
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}
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/* If no handler has been found, then the type is not supported. */
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if (!handler) {
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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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/* Light up the type with the highest priority that matches the current handler. */
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for (LightBackend& backend : backends) {
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if (handler == backend.handler && isLit(backend.state)) {
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handler(backend.state);
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return Status::SUCCESS;
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}
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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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/* If no type has been lit up, then turn off the hardware. */
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handler(state);
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it->second(state);
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return Status::SUCCESS;
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}
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@ -207,8 +177,8 @@ Return<Status> Light::setLight(Type type, const LightState& state) {
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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 (const LightBackend& backend : backends) {
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types.push_back(backend.type);
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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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@ -13,36 +13,14 @@
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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 <hardware/lights.h>
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#include <hidl/Status.h>
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#include <map>
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#include <unordered_map>
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#include <mutex>
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#include <vector>
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::hardware::light::V2_0::Flash;
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using ::android::hardware::light::V2_0::ILight;
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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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typedef void (*LightStateHandler)(const LightState&);
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struct LightBackend {
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Type type;
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LightState state;
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LightStateHandler handler;
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LightBackend(Type type, LightStateHandler handler) : type(type), handler(handler) {
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this->state.color = 0xff000000;
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}
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};
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namespace android {
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namespace hardware {
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@ -50,13 +28,28 @@ namespace light {
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namespace V2_0 {
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namespace implementation {
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::hardware::hidl_vec;
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using ::android::hardware::light::V2_0::ILight;
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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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class Light : public ILight {
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public:
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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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std::mutex globalLock;
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void handleBacklight(const LightState& state);
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void handleRgb(const LightState& state, size_t index);
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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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std::array<LightState, 3> mLightStates;
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};
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} // namespace implementation
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@ -1,33 +1,61 @@
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on boot
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chown system system /sys/class/leds/wled/brightness
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chown system system /sys/class/leds/wled/max_brightness
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chown system system /sys/class/leds/red/breath
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chown system system /sys/class/leds/red/brightness
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chown system system /sys/class/leds/red/delay_on
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chown system system /sys/class/leds/red/delay_off
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chown system system /sys/class/leds/green/breath
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chown system system /sys/class/leds/green/brightness
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chown system system /sys/class/leds/green/delay_on
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chown system system /sys/class/leds/green/delay_off
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chown system system /sys/class/leds/blue/breath
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chown system system /sys/class/leds/blue/brightness
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chown system system /sys/class/leds/blue/delay_on
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chown system system /sys/class/leds/blue/delay_off
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chown system system /sys/class/backlight/panel0-backlight/brightness
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chown system system /sys/class/backlight/panel0-backlight/max_brightness
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chown system system /sys/class/backlight/panel0-backlight/actual_brightness
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chmod 0644 /sys/class/leds/wled/brightness
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chmod 0644 /sys/class/leds/wled/max_brightness
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chmod 0644 /sys/class/leds/red/breath
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chmod 0644 /sys/class/leds/red/brightness
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chmod 0644 /sys/class/leds/red/delay_on
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chmod 0644 /sys/class/leds/red/delay_off
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chmod 0644 /sys/class/leds/green/breath
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chmod 0644 /sys/class/leds/green/brightness
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chmod 0644 /sys/class/leds/green/delay_on
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chmod 0644 /sys/class/leds/green/delay_off
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chmod 0644 /sys/class/leds/blue/breath
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chmod 0644 /sys/class/leds/blue/brightness
|
||||
chmod 0644 /sys/class/leds/blue/delay_on
|
||||
chmod 0644 /sys/class/leds/blue/delay_off
|
||||
chmod 0644 /sys/class/backlight/panel0-backlight/brightness
|
||||
chmod 0644 /sys/class/backlight/panel0-backlight/max_brightness
|
||||
|
||||
chown system system /sys/class/leds/white/brightness
|
||||
chown system system /sys/class/leds/white/blink
|
||||
|
||||
chown system system /sys/class/leds/red/blink
|
||||
chown system system /sys/class/leds/red/brightness
|
||||
chown system system /sys/class/leds/red/duty_pcts
|
||||
chown system system /sys/class/leds/red/pause_hi
|
||||
chown system system /sys/class/leds/red/pause_lo
|
||||
chown system system /sys/class/leds/red/ramp_step_ms
|
||||
chown system system /sys/class/leds/red/start_idx
|
||||
chown system system /sys/class/leds/red/lut_flags
|
||||
|
||||
chown system system /sys/class/leds/blue/blink
|
||||
chown system system /sys/class/leds/blue/brightness
|
||||
chown system system /sys/class/leds/blue/duty_pcts
|
||||
chown system system /sys/class/leds/blue/pause_hi
|
||||
chown system system /sys/class/leds/blue/pause_lo
|
||||
chown system system /sys/class/leds/blue/ramp_step_ms
|
||||
chown system system /sys/class/leds/blue/start_idx
|
||||
chown system system /sys/class/leds/blue/lut_flags
|
||||
|
||||
chown system system /sys/class/leds/green/blink
|
||||
chown system system /sys/class/leds/green/brightness
|
||||
chown system system /sys/class/leds/green/duty_pcts
|
||||
chown system system /sys/class/leds/green/pause_hi
|
||||
chown system system /sys/class/leds/green/pause_lo
|
||||
chown system system /sys/class/leds/green/ramp_step_ms
|
||||
chown system system /sys/class/leds/green/start_idx
|
||||
chown system system /sys/class/leds/green/lut_flags
|
||||
|
||||
chmod 660 /sys/class/leds/red/blink
|
||||
chmod 660 /sys/class/leds/red/duty_pcts
|
||||
chmod 660 /sys/class/leds/red/pause_hi
|
||||
chmod 660 /sys/class/leds/red/pause_lo
|
||||
chmod 660 /sys/class/leds/red/ramp_step_ms
|
||||
chmod 660 /sys/class/leds/red/start_idx
|
||||
|
||||
chmod 660 /sys/class/leds/blue/blink
|
||||
chmod 660 /sys/class/leds/blue/duty_pcts
|
||||
chmod 660 /sys/class/leds/blue/pause_hi
|
||||
chmod 660 /sys/class/leds/blue/pause_lo
|
||||
chmod 660 /sys/class/leds/blue/ramp_step_ms
|
||||
chmod 660 /sys/class/leds/blue/start_idx
|
||||
|
||||
chmod 660 /sys/class/leds/green/blink
|
||||
chmod 660 /sys/class/leds/green/duty_pcts
|
||||
chmod 660 /sys/class/leds/green/pause_hi
|
||||
chmod 660 /sys/class/leds/green/pause_lo
|
||||
chmod 660 /sys/class/leds/green/ramp_step_ms
|
||||
chmod 660 /sys/class/leds/green/start_idx
|
||||
|
||||
service vendor.light-hal-2-0 /vendor/bin/hw/android.hardware.light@2.0-service
|
||||
interface android.hardware.light@2.0::ILight default
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
* Copyright (C) 2018 The LineageOS Project
|
||||
* Copyright 2018 The LineageOS Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
|
|
@ -14,8 +14,9 @@
|
|||
* limitations under the License.
|
||||
*/
|
||||
|
||||
#define LOG_TAG "android.hardware.light@2.0-service.lenovo_kunlun2"
|
||||
#define LOG_TAG "android.hardware.light@2.0-service.lenovo"
|
||||
|
||||
#include <android-base/logging.h>
|
||||
#include <hidl/HidlTransportSupport.h>
|
||||
|
||||
#include "Light.h"
|
||||
|
|
@ -27,24 +28,23 @@ using android::hardware::light::V2_0::ILight;
|
|||
using android::hardware::light::V2_0::implementation::Light;
|
||||
|
||||
using android::OK;
|
||||
using android::sp;
|
||||
using android::status_t;
|
||||
|
||||
int main() {
|
||||
sp<ILight> service = new Light();
|
||||
android::sp<ILight> service = new Light();
|
||||
|
||||
configureRpcThreadpool(1, true);
|
||||
|
||||
status_t status = service->registerAsService();
|
||||
if (status != OK) {
|
||||
ALOGE("Cannot register Light HAL service.");
|
||||
LOG(ERROR) << "Cannot register Light HAL service.";
|
||||
return 1;
|
||||
}
|
||||
|
||||
ALOGI("Light HAL service ready.");
|
||||
LOG(INFO) << "Light HAL service ready.";
|
||||
|
||||
joinRpcThreadpool();
|
||||
|
||||
ALOGI("Light HAL service failed to join thread pool.");
|
||||
LOG(ERROR) << "Light HAL service failed to join thread pool.";
|
||||
return 1;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue