power.c revision b59998fa25f217ba651f6f5a4f1ddcdb0d24b42d
1868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev/* 2868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * Copyright (C) 2012 The Android Open Source Project 3868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * 4868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * Licensed under the Apache License, Version 2.0 (the "License"); 5868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * you may not use this file except in compliance with the License. 6868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * You may obtain a copy of the License at 7868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * 8868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * http://www.apache.org/licenses/LICENSE-2.0 9868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * 10868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * Unless required by applicable law or agreed to in writing, software 11868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * distributed under the License is distributed on an "AS IS" BASIS, 12868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * See the License for the specific language governing permissions and 14868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev * limitations under the License. 15868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev */ 16868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#include <errno.h> 17868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#include <string.h> 18868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#include <sys/types.h> 19868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#include <sys/stat.h> 20868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#include <sys/socket.h> 21868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#include <sys/un.h> 22868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#include <fcntl.h> 23868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#include <dlfcn.h> 24868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 25b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev#define LOG_TAG "PowerHAL" 26868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#include <utils/Log.h> 27868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 28868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#include <hardware/hardware.h> 29868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#include <hardware/power.h> 30868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#define TOUCHBOOST_SOCKET "/dev/socket/mpdecision/touchboost" 31868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 32b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchevstatic int client_sockfd; 33b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchevstatic struct sockaddr_un client_addr; 34868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 35b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchevstatic void power_init(struct power_module *module) 36868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev{ 37b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev ALOGI("%s", __func__); 38b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev client_sockfd = socket(PF_UNIX, SOCK_DGRAM, 0); 39b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev if (client_sockfd < 0) { 40b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev ALOGE("%s: failed to open: %s", __func__, strerror(errno)); 41868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev return; 42868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev } 43868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev memset(&client_addr, 0, sizeof(struct sockaddr_un)); 44868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev client_addr.sun_family = AF_UNIX; 45868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev snprintf(client_addr.sun_path, UNIX_PATH_MAX, TOUCHBOOST_SOCKET); 46b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev} 47868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 48b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchevstatic void touch_boost() 49b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev{ 50b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev int rc; 51868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 52b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev if (client_sockfd < 0) { 53b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev ALOGE("%s: touchboost socket not created", __func__); 54b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev return; 55868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev } 56868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 57b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev rc = sendto(client_sockfd, "1", 1, 0, (const struct sockaddr *)&client_addr, sizeof(struct sockaddr_un)); 58b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev if (rc < 0) { 59b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev ALOGE("%s: failed to send: %s", __func__, strerror(errno)); 60868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev } 61868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev} 62868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 63b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchevstatic void power_set_interactive(struct power_module *module, int on) 64b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev{ 65b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev ALOGV("%s %s", __func__, (on ? "ON" : "OFF")); 66b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev if (on) 67b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev touch_boost(); 68b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev} 69b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev 70868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchevstatic void power_hint(struct power_module *module, power_hint_t hint, 71868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev void *data) { 72868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev switch (hint) { 73868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev case POWER_HINT_INTERACTION: 74b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev ALOGV("POWER_HINT_INTERACTION"); 75868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev touch_boost(); 76b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev break; 77b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev#if 0 78b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev case POWER_HINT_VSYNC: 79b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev ALOGV("POWER_HINT_VSYNC %s", (data ? "ON" : "OFF")); 80b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev break; 81b59998fa25f217ba651f6f5a4f1ddcdb0d24b42dIliyan Malchev#endif 82868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev default: 83868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev break; 84868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev } 85868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev} 86868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 87868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchevstatic struct hw_module_methods_t power_module_methods = { 88868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .open = NULL, 89868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev}; 90868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 91868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchevstruct power_module HAL_MODULE_INFO_SYM = { 92868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .common = { 93868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .tag = HARDWARE_MODULE_TAG, 94868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .module_api_version = POWER_MODULE_API_VERSION_0_2, 95868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .hal_api_version = HARDWARE_HAL_API_VERSION, 96868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .id = POWER_HARDWARE_MODULE_ID, 97868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .name = "Qualcomm Power HAL", 98868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .author = "The Android Open Source Project", 99868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .methods = &power_module_methods, 100868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev }, 101868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 102868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .init = power_init, 103868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .setInteractive = power_set_interactive, 104868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .powerHint = power_hint, 105868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev}; 106