initial msm8960 power HAL implementation

Change-Id: I6189df5182a25a35166fa2b710b516c65da7627a
Signed-off-by: Iliyan Malchev <malchev@google.com>

2 files changed, 113 insertions, 0 deletions

diff --git a/Android.mk b/Android.mk
new file mode 100755
index 0000000..4ae6ae2
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,15 @@
+ifeq ($(TARGET_BOARD_PLATFORM),msm8960)
+LOCAL_PATH := $(call my-dir)
+
+# HAL module implemenation stored in
+# hw/<POWERS_HARDWARE_MODULE_ID>.<ro.hardware>.so
+include $(CLEAR_VARS)
+
+
+LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
+LOCAL_SHARED_LIBRARIES := liblog libcutils libdl
+LOCAL_SRC_FILES := power.c
+LOCAL_MODULE:= power.$(TARGET_BOARD_PLATFORM)
+LOCAL_MODULE_TAGS := optional
+include $(BUILD_SHARED_LIBRARY)
+endif
diff --git a/power.c b/power.c
new file mode 100755
index 0000000..fb556e9
--- /dev/null
+++ b/power.c
@@ -0,0 +1,98 @@
+/*
+ * 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 "Qualcomm PowerHAL"
+#include <utils/Log.h>
+
+#include <hardware/hardware.h>
+#include <hardware/power.h>
+#define TOUCHBOOST_SOCKET       "/dev/socket/mpdecision/touchboost"
+
+static void power_init(struct power_module *module)
+{
+}
+
+static void power_set_interactive(struct power_module *module, int on)
+{
+}
+
+static void touch_boost()
+{
+    static int client_comsoc = -1;
+    static struct sockaddr_un client_addr;
+    int rc = 0;
+
+    client_comsoc = socket(PF_UNIX, SOCK_DGRAM, 0);
+
+    if (client_comsoc < 0) {
+        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);
+
+    rc = sendto(client_comsoc, "1", 1, 0, (const struct sockaddr *)&client_addr, sizeof(struct sockaddr_un));
+
+    if (rc == -1) {
+        ALOGE("Failed to send rc=%d", rc);
+    }
+
+    if (client_comsoc >= 0) {
+        close(client_comsoc);
+        client_comsoc = -1;
+    }
+}
+
+static void power_hint(struct power_module *module, power_hint_t hint,
+                       void *data) {
+    switch (hint) {
+
+        case POWER_HINT_INTERACTION:
+            touch_boost();
+	    break;
+        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,
+};