power.c revision 868f7635b2b57d883a3978b3837a58aecc0d7131
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 25868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev#define LOG_TAG "Qualcomm 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 32868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchevstatic void power_init(struct power_module *module) 33868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev{ 34868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev} 35868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 36868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchevstatic void power_set_interactive(struct power_module *module, int on) 37868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev{ 38868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev} 39868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 40868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchevstatic void touch_boost() 41868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev{ 42868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev static int client_comsoc = -1; 43868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev static struct sockaddr_un client_addr; 44868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev int rc = 0; 45868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 46868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev client_comsoc = socket(PF_UNIX, SOCK_DGRAM, 0); 47868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 48868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev if (client_comsoc < 0) { 49868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev return; 50868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev } 51868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 52868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev memset(&client_addr, 0, sizeof(struct sockaddr_un)); 53868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev client_addr.sun_family = AF_UNIX; 54868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev snprintf(client_addr.sun_path, UNIX_PATH_MAX, TOUCHBOOST_SOCKET); 55868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 56868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev rc = sendto(client_comsoc, "1", 1, 0, (const struct sockaddr *)&client_addr, sizeof(struct sockaddr_un)); 57868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 58868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev if (rc == -1) { 59868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev ALOGE("Failed to send rc=%d", rc); 60868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev } 61868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 62868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev if (client_comsoc >= 0) { 63868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev close(client_comsoc); 64868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev client_comsoc = -1; 65868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev } 66868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev} 67868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 68868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchevstatic void power_hint(struct power_module *module, power_hint_t hint, 69868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev void *data) { 70868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev switch (hint) { 71868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 72868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev case POWER_HINT_INTERACTION: 73868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev touch_boost(); 74868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev break; 75868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev default: 76868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev break; 77868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev } 78868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev} 79868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 80868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchevstatic struct hw_module_methods_t power_module_methods = { 81868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .open = NULL, 82868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev}; 83868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 84868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchevstruct power_module HAL_MODULE_INFO_SYM = { 85868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .common = { 86868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .tag = HARDWARE_MODULE_TAG, 87868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .module_api_version = POWER_MODULE_API_VERSION_0_2, 88868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .hal_api_version = HARDWARE_HAL_API_VERSION, 89868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .id = POWER_HARDWARE_MODULE_ID, 90868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .name = "Qualcomm Power HAL", 91868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .author = "The Android Open Source Project", 92868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .methods = &power_module_methods, 93868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev }, 94868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev 95868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .init = power_init, 96868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .setInteractive = power_set_interactive, 97868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev .powerHint = power_hint, 98868f7635b2b57d883a3978b3837a58aecc0d7131Iliyan Malchev}; 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