| /* |
| * Copyright (C) 2012 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. |
| * 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. |
| */ |
| #include <errno.h> |
| #include <string.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/socket.h> |
| #include <sys/un.h> |
| #include <fcntl.h> |
| #include <dlfcn.h> |
| |
| #define LOG_TAG "PowerHAL" |
| #include <utils/Log.h> |
| |
| #include <hardware/hardware.h> |
| #include <hardware/power.h> |
| #define TOUCHBOOST_SOCKET "/dev/socket/mpdecision/touchboost" |
| |
| static int client_sockfd; |
| static struct sockaddr_un client_addr; |
| |
| static void power_init(struct power_module *module) |
| { |
| ALOGI("%s", __func__); |
| client_sockfd = socket(PF_UNIX, SOCK_DGRAM, 0); |
| if (client_sockfd < 0) { |
| ALOGE("%s: failed to open: %s", __func__, strerror(errno)); |
| return; |
| } |
| memset(&client_addr, 0, sizeof(struct sockaddr_un)); |
| client_addr.sun_family = AF_UNIX; |
| snprintf(client_addr.sun_path, UNIX_PATH_MAX, TOUCHBOOST_SOCKET); |
| } |
| |
| static void touch_boost() |
| { |
| int rc; |
| |
| if (client_sockfd < 0) { |
| ALOGE("%s: touchboost socket not created", __func__); |
| return; |
| } |
| |
| rc = sendto(client_sockfd, "1", 1, 0, (const struct sockaddr *)&client_addr, sizeof(struct sockaddr_un)); |
| if (rc < 0) { |
| ALOGE("%s: failed to send: %s", __func__, strerror(errno)); |
| } |
| } |
| |
| static void power_set_interactive(struct power_module *module, int on) |
| { |
| ALOGV("%s %s", __func__, (on ? "ON" : "OFF")); |
| if (on) |
| touch_boost(); |
| } |
| |
| static void power_hint(struct power_module *module, power_hint_t hint, |
| void *data) { |
| switch (hint) { |
| case POWER_HINT_INTERACTION: |
| ALOGV("POWER_HINT_INTERACTION"); |
| touch_boost(); |
| break; |
| #if 0 |
| case POWER_HINT_VSYNC: |
| ALOGV("POWER_HINT_VSYNC %s", (data ? "ON" : "OFF")); |
| break; |
| #endif |
| default: |
| break; |
| } |
| } |
| |
| static struct hw_module_methods_t power_module_methods = { |
| .open = NULL, |
| }; |
| |
| struct power_module HAL_MODULE_INFO_SYM = { |
| .common = { |
| .tag = HARDWARE_MODULE_TAG, |
| .module_api_version = POWER_MODULE_API_VERSION_0_2, |
| .hal_api_version = HARDWARE_HAL_API_VERSION, |
| .id = POWER_HARDWARE_MODULE_ID, |
| .name = "Qualcomm Power HAL", |
| .author = "The Android Open Source Project", |
| .methods = &power_module_methods, |
| }, |
| |
| .init = power_init, |
| .setInteractive = power_set_interactive, |
| .powerHint = power_hint, |
| }; |