From 2432fd69169776de0b919b300185680eea57a16b Mon Sep 17 00:00:00 2001 From: Demon000 Date: Sun, 24 Sep 2017 16:30:56 +0200 Subject: [PATCH] sanders: Convert lights HAL to native binderized HAL [Adapted from libra for griffin] Signed-off-by: Erfan Abdi Signed-off-by: therootlord --- Android.bp | 3 + device.mk | 3 +- liblight/Android.mk | 28 --- liblight/NOTICE | 190 --------------- liblight/lights.c | 217 ------------------ light/Android.bp | 32 +++ light/Light.cpp | 134 +++++++++++ light/Light.h | 57 +++++ ...roid.hardware.light@2.0-service.sanders.rc | 5 + light/service.cpp | 50 ++++ sepolicy/vendor/file_contexts | 4 + sepolicy/vendor/hal_light_default.te | 2 +- 12 files changed, 287 insertions(+), 438 deletions(-) create mode 100644 Android.bp delete mode 100644 liblight/Android.mk delete mode 100644 liblight/NOTICE delete mode 100644 liblight/lights.c create mode 100644 light/Android.bp create mode 100644 light/Light.cpp create mode 100644 light/Light.h create mode 100644 light/android.hardware.light@2.0-service.sanders.rc create mode 100644 light/service.cpp diff --git a/Android.bp b/Android.bp new file mode 100644 index 0000000..f61e31b --- /dev/null +++ b/Android.bp @@ -0,0 +1,3 @@ +subdirs = [ + "light", +] diff --git a/device.mk b/device.mk index a916d96..2371f4e 100644 --- a/device.mk +++ b/device.mk @@ -243,8 +243,7 @@ PRODUCT_PACKAGES += \ # Lights PRODUCT_PACKAGES += \ android.hardware.light@2.0-impl \ - android.hardware.light@2.0-service \ - lights.msm8953 + android.hardware.light@2.0-service.sanders # Media PRODUCT_PACKAGES += \ diff --git a/liblight/Android.mk b/liblight/Android.mk deleted file mode 100644 index d718b55..0000000 --- a/liblight/Android.mk +++ /dev/null @@ -1,28 +0,0 @@ -# -# Copyright (C) 2016 The CyanogenMod 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. - -LOCAL_PATH:= $(call my-dir) -# HAL module implemenation stored in -# hw/..so -include $(CLEAR_VARS) - -LOCAL_MODULE_RELATIVE_PATH := hw -LOCAL_SHARED_LIBRARIES := liblog -LOCAL_SRC_FILES := lights.c -LOCAL_MODULE := lights.$(TARGET_BOARD_PLATFORM) -LOCAL_MODULE_TAGS := optional -LOCAL_VENDOR_MODULE := true - -include $(BUILD_SHARED_LIBRARY) diff --git a/liblight/NOTICE b/liblight/NOTICE deleted file mode 100644 index 316b4eb..0000000 --- a/liblight/NOTICE +++ /dev/null @@ -1,190 +0,0 @@ - - Copyright (c) 2014, 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. - - 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. - - - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. 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-static pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER; - -char const*const LED_FILE - = "/sys/class/leds/charging/brightness"; - -char const*const LCD_FILE - = "/sys/class/leds/lcd-backlight/brightness"; - -/** - * device methods - */ - -void init_globals(void) -{ - // init the mutex - pthread_mutex_init(&g_lock, NULL); -} - -static int -write_int(char const* path, int value) -{ - int fd; - static int already_warned = 0; - - fd = open(path, O_RDWR); - if (fd >= 0) { - char buffer[20]; - int bytes = sprintf(buffer, "%d\n", value); - int amt = write(fd, buffer, bytes); - close(fd); - return amt == -1 ? -errno : 0; - } else { - if (already_warned == 0) { - ALOGE("write_int failed to open %s\n", path); - already_warned = 1; - } - return -errno; - } -} - -static int -is_lit(struct light_state_t const* state) -{ - return state->color & 0x00ffffff; -} - -static int -rgb_to_brightness(struct light_state_t const* state) -{ - int color = state->color & 0x00ffffff; - return ((77*((color>>16)&0x00ff)) - + (150*((color>>8)&0x00ff)) + (29*(color&0x00ff))) >> 8; -} - -static int -set_light_backlight(struct light_device_t* dev, - struct light_state_t const* state) -{ - int err = 0; - int brightness = rgb_to_brightness(state); - pthread_mutex_lock(&g_lock); - err = write_int(LCD_FILE, brightness); - pthread_mutex_unlock(&g_lock); - return err; -} - -static int -set_light_battery(struct light_device_t* dev, - struct light_state_t const* state) -{ - int brightness_level; - int err = 0; - - if (!dev) - return -1; - - pthread_mutex_lock(&g_lock); - - if (is_lit(state)) - brightness_level = LED_LIGHT_SOLID_ON; - else - brightness_level = LED_LIGHT_OFF; - - err = write_int(LED_FILE, brightness_level); - - pthread_mutex_unlock(&g_lock); - return err; -} - -static int -set_light_notifications(struct light_device_t* dev, - struct light_state_t const* state) -{ - int brightness_level; - int err = 0; - - if (!dev) - return -1; - - pthread_mutex_lock(&g_lock); - - if (is_lit(state)) - brightness_level = LED_LIGHT_BLINK_SLOW; - else - brightness_level = LED_LIGHT_OFF; - - err = write_int(LED_FILE, brightness_level); - - pthread_mutex_unlock(&g_lock); - return err; -} - -/** Close the lights device */ -static int -close_lights(struct light_device_t *dev) -{ - if (dev) { - free(dev); - } - return 0; -} - - -/******************************************************************************/ - -/** - * module methods - */ - -/** Open a new instance of a lights device using name */ -static int open_lights(const struct hw_module_t* module, char const* name, - struct hw_device_t** device) -{ - int (*set_light)(struct light_device_t* dev, - struct light_state_t const* state); - - if (0 == strcmp(LIGHT_ID_BACKLIGHT, name)) - set_light = set_light_backlight; - else if (0 == strcmp(LIGHT_ID_NOTIFICATIONS, name)) - set_light = set_light_notifications; - else if (0 == strcmp(LIGHT_ID_BATTERY, name)) - set_light = set_light_battery; - else - return -EINVAL; - - pthread_once(&g_init, init_globals); - - struct light_device_t *dev = malloc(sizeof(struct light_device_t)); - memset(dev, 0, sizeof(*dev)); - - dev->common.tag = HARDWARE_DEVICE_TAG; - dev->common.version = 0; - dev->common.module = (struct hw_module_t*)module; - dev->common.close = (int (*)(struct hw_device_t*))close_lights; - dev->set_light = set_light; - - *device = (struct hw_device_t*)dev; - return 0; -} - -static struct hw_module_methods_t lights_module_methods = { - .open = open_lights, -}; - -/* - * The lights Module - */ -struct hw_module_t HAL_MODULE_INFO_SYM = { - .tag = HARDWARE_MODULE_TAG, - .version_major = 1, - .version_minor = 0, - .id = LIGHTS_HARDWARE_MODULE_ID, - .name = "lights Module", - .author = "Google, Inc., dhacker29", - .methods = &lights_module_methods, -}; - diff --git a/light/Android.bp b/light/Android.bp new file mode 100644 index 0000000..de9f24c --- /dev/null +++ b/light/Android.bp @@ -0,0 +1,32 @@ +// +// Copyright (C) 2017 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. +// 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. + +cc_binary { + relative_install_path: "hw", + defaults: ["hidl_defaults"], + name: "android.hardware.light@2.0-service.sanders", + proprietary: true, + init_rc: ["android.hardware.light@2.0-service.sanders.rc"], + srcs: ["service.cpp", "Light.cpp"], + shared_libs: [ + "libhardware", + "libhidlbase", + "libhidltransport", + "liblog", + "libhwbinder", + "libutils", + "android.hardware.light@2.0", + ], +} diff --git a/light/Light.cpp b/light/Light.cpp new file mode 100644 index 0000000..24a2301 --- /dev/null +++ b/light/Light.cpp @@ -0,0 +1,134 @@ +/* + * Copyright (C) 2017 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. + * 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. + */ + +#define LOG_TAG "LightService" + +#include + +#include "Light.h" + +#include + +namespace android { +namespace hardware { +namespace light { +namespace V2_0 { +namespace implementation { + +#define LED_LIGHT_OFF 0 +#define LED_LIGHT_BLINK_FAST 1 +#define LED_LIGHT_BLINK_SLOW 2 +#define LED_LIGHT_SOLID_ON 3 + +#define LEDS "/sys/class/leds/" + +#define LCD_LED LEDS "lcd-backlight/" +#define CHARGING_LED LEDS "charging/" + +#define BRIGHTNESS "brightness" + + +/* + * Write value to path and close file. + */ +static void set(std::string path, std::string value) { + std::ofstream file(path); + file << value; +} + +static void set(std::string path, int value) { + set(path, std::to_string(value)); +} + +static uint32_t is_lit(const LightState& state) { + return state.color & 0x00ffffff; +} + +static uint32_t rgbToBrightness(const LightState& state) { + uint32_t color = state.color & 0x00ffffff; + return ((77 * ((color >> 16) & 0xff)) + (150 * ((color >> 8) & 0xff)) + + (29 * (color & 0xff))) >> 8; +} + +static void handleBacklight(const LightState& state) { + uint32_t brightness = rgbToBrightness(state); + set(LCD_LED BRIGHTNESS, brightness); +} + +static void handleBattery(const LightState& state) { + uint32_t Brightness; + + if (is_lit(state)) + Brightness = LED_LIGHT_SOLID_ON; + else + Brightness = LED_LIGHT_OFF; + + set(CHARGING_LED BRIGHTNESS, Brightness); +} + +static void handleNotification(const LightState& state) { + uint32_t Brightness; + + if (is_lit(state)) + Brightness = LED_LIGHT_BLINK_SLOW; + else + Brightness = LED_LIGHT_OFF; + + set(CHARGING_LED BRIGHTNESS, Brightness); +} + + +static std::map> lights = { + {Type::BACKLIGHT, handleBacklight}, + {Type::BATTERY, handleBattery}, + {Type::NOTIFICATIONS, handleNotification}, + {Type::ATTENTION, handleNotification}, +}; + +Light::Light() {} + +Return Light::setLight(Type type, const LightState& state) { + auto it = lights.find(type); + + if (it == lights.end()) { + return Status::LIGHT_NOT_SUPPORTED; + } + + /* + * Lock global mutex until light state is updated. + */ + std::lock_guard lock(globalLock); + + it->second(state); + + return Status::SUCCESS; +} + +Return Light::getSupportedTypes(getSupportedTypes_cb _hidl_cb) { + std::vector types; + + for (auto const& light : lights) types.push_back(light.first); + + _hidl_cb(types); + + return Void(); +} + +} // namespace implementation +} // namespace V2_0 +} // namespace light +} // namespace hardware +} // namespace android diff --git a/light/Light.h b/light/Light.h new file mode 100644 index 0000000..293c59d --- /dev/null +++ b/light/Light.h @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2017 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. + * 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. + */ + +#ifndef ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H +#define ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H + +#include +#include +#include +#include +#include + +namespace android { +namespace hardware { +namespace light { +namespace V2_0 { +namespace implementation { + +using ::android::hardware::Return; +using ::android::hardware::Void; +using ::android::hardware::hidl_vec; +using ::android::hardware::light::V2_0::ILight; +using ::android::hardware::light::V2_0::LightState; +using ::android::hardware::light::V2_0::Status; +using ::android::hardware::light::V2_0::Type; + +class Light : public ILight { + public: + Light(); + + Return setLight(Type type, const LightState& state) override; + Return getSupportedTypes(getSupportedTypes_cb _hidl_cb) override; + + private: + std::mutex globalLock; +}; + +} // namespace implementation +} // namespace V2_0 +} // namespace light +} // namespace hardware +} // namespace android + +#endif // ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H diff --git a/light/android.hardware.light@2.0-service.sanders.rc b/light/android.hardware.light@2.0-service.sanders.rc new file mode 100644 index 0000000..dbbd580 --- /dev/null +++ b/light/android.hardware.light@2.0-service.sanders.rc @@ -0,0 +1,5 @@ +service vendor.light-hal-2-0 /vendor/bin/hw/android.hardware.light@2.0-service.sanders + class hal + user system + group system + shutdown critical diff --git a/light/service.cpp b/light/service.cpp new file mode 100644 index 0000000..8bd907c --- /dev/null +++ b/light/service.cpp @@ -0,0 +1,50 @@ +/* + * Copyright 2017 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. + * 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. + */ + +#define LOG_TAG "android.hardware.light@2.0-service.sanders" + +#include + +#include "Light.h" + +using android::hardware::configureRpcThreadpool; +using android::hardware::joinRpcThreadpool; + +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 service = new Light(); + + configureRpcThreadpool(1, true); + + status_t status = service->registerAsService(); + if (status != OK) { + ALOGE("Cannot register Light HAL service."); + return 1; + } + + ALOGI("Light HAL service ready."); + + joinRpcThreadpool(); + + ALOGI("Light HAL service failed to join thread pool."); + return 1; +} diff --git a/sepolicy/vendor/file_contexts b/sepolicy/vendor/file_contexts index 4659ccc..a451507 100644 --- a/sepolicy/vendor/file_contexts +++ b/sepolicy/vendor/file_contexts @@ -128,3 +128,7 @@ # Fingerprint custom hal /(vendor|system/vendor)/bin/hw/android\.hardware\.biometrics\.fingerprint@2\.1-service_32 u:object_r:hal_fingerprint_default_exec:s0 +# Light HAL +/(vendor|system/vendor)/bin/hw/android\.hardware\.light@2\.0-service.sanders u:object_r:hal_light_default_exec:s0 +/sys/devices/soc/1a00000.qcom,mdss_mdp/1a00000.qcom,mdss_mdp:qcom,mdss_fb_primary/leds/lcd-backlight/brightness u:object_r:sysfs_leds:s0 +/sys/devices/soc/leds-atc-20/leds/charging/brightness u:object_r:sysfs_leds:s0 diff --git a/sepolicy/vendor/hal_light_default.te b/sepolicy/vendor/hal_light_default.te index c9b8d45..30f6408 100644 --- a/sepolicy/vendor/hal_light_default.te +++ b/sepolicy/vendor/hal_light_default.te @@ -1 +1 @@ -allow hal_light_default sysfs:file { open read write }; +allow hal_light_default sysfs_leds:file rw_file_perms;