Move PowerHAL into Pixel common

Bug: 129495482
Bug: 111098032
Test: Boot and check PowerHAL
Change-Id: I79b7276ff0c28885877af8b0533fe1f9d81b3b0c

1 files changed, 74 insertions, 0 deletions

diff --git a/power-libperfmgr/display-helper.cpp b/power-libperfmgr/display-helper.cpp
new file mode 100644
index 00000000..2369c631
--- /dev/null
+++ b/power-libperfmgr/display-helper.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+#define LOG_NIDEBUG 0
+#define LOG_TAG "android.hardware.power@1.3-service.pixel-libperfmgr"
+
+#include <dlfcn.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <cutils/sockets.h>
+#include <log/log.h>
+
+#include "display-helper.h"
+
+#define DAEMON_SOCKET "pps"
+
+static int daemon_socket = -1;
+
+static int connectPPDaemon() {
+    // Setup socket connection, if not already done.
+    if (daemon_socket < 0)
+        daemon_socket =
+                socket_local_client(DAEMON_SOCKET, ANDROID_SOCKET_NAMESPACE_RESERVED, SOCK_STREAM);
+
+    if (daemon_socket < 0) {
+        ALOGE("Connecting to socket failed: %s", strerror(errno));
+        return -1;
+    }
+    return 0;
+}
+
+static int ppdComm(const char *cmd) {
+    int ret = -1;
+
+    ret = connectPPDaemon();
+    if (ret < 0)
+        return ret;
+
+    ret = write(daemon_socket, cmd, strlen(cmd));
+    if (ret < 0) {
+        ALOGE("Failed to send data over socket, %s", strerror(errno));
+        return ret;
+    }
+    return 0;
+}
+
+void set_display_lpm(int enable) {
+    ALOGI("set_display_lpm state: %d", enable);
+    if (enable) {
+        ppdComm("foss:on");
+    } else {
+        ppdComm("foss:off");
+    }
+}