Merge "Vibra: Add the vibrator module for goldfish"

2 files changed, 120 insertions, 0 deletions

diff --git a/vibrator/Android.mk b/vibrator/Android.mk
new file mode 100644
index 0000000..646da5c
--- /dev/null
+++ b/vibrator/Android.mk
@@ -0,0 +1,29 @@
+# Copyright (C) 2013 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.
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := vibrator.goldfish
+
+# HAL module implemenation stored in
+# hw/<VIBRATOR_HARDWARE_MODULE_ID>.goldfish.so
+LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
+LOCAL_C_INCLUDES := hardware/libhardware hardware/libhardware_legacy
+LOCAL_SRC_FILES := vibrator_qemu.c
+LOCAL_SHARED_LIBRARIES := liblog libhardware libhardware_legacy
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/vibrator/vibrator_qemu.c b/vibrator/vibrator_qemu.c
new file mode 100644
index 0000000..1c1ffe0
--- /dev/null
+++ b/vibrator/vibrator_qemu.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2013 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 <stdlib.h>
+
+#include <cutils/log.h>
+
+#include <qemu.h>
+#include <hardware/hardware.h>
+#include <hardware/vibrator.h>
+
+static int sendit(unsigned int timeout_ms)
+{
+    if (qemu_check()) {
+        if (qemu_control_command("vibrator:%u", timeout_ms) < 0) {
+            return -errno;
+        }
+        return 0;
+    }
+
+    return -ENOSYS;
+}
+
+static int qemu_vibra_on(vibrator_device_t* vibradev __unused, unsigned int timeout_ms)
+{
+    return sendit(timeout_ms);
+}
+
+static int qemu_vibra_off(vibrator_device_t* vibradev __unused)
+{
+    return sendit(0);
+}
+
+static int qemu_vibra_close(hw_device_t *device)
+{
+    free(device);
+    return 0;
+}
+
+static int qemu_vibra_open(const hw_module_t* module, const char* id __unused,
+                           hw_device_t** device) {
+    vibrator_device_t *vibradev = calloc(1, sizeof(vibrator_device_t));
+
+    if (!vibradev) {
+        ALOGE("No memory available to create Goldfish vibrator device!");
+        return -ENOMEM;
+    }
+
+    vibradev->common.tag = HARDWARE_DEVICE_TAG;
+    vibradev->common.module = (hw_module_t *) module;
+    vibradev->common.version = HARDWARE_DEVICE_API_VERSION(1,0);
+    vibradev->common.close = qemu_vibra_close;
+
+    vibradev->vibrator_on = qemu_vibra_on;
+    vibradev->vibrator_off = qemu_vibra_off;
+
+    *device = (hw_device_t *) vibradev;
+
+    return 0;
+}
+
+/*===========================*/
+/* Emulator vibrator module  */
+/*===========================*/
+
+static struct hw_module_methods_t qemu_vibrator_module_methods = {
+    .open = qemu_vibra_open,
+};
+
+struct hw_module_t HAL_MODULE_INFO_SYM = {
+    .tag = HARDWARE_MODULE_TAG,
+    .module_api_version = VIBRATOR_API_VERSION,
+    .hal_api_version = HARDWARE_HAL_API_VERSION,
+    .id = VIBRATOR_HARDWARE_MODULE_ID,
+    .name = "Goldfish vibrator module",
+    .author = "The Android Open Source Project",
+    .methods = &qemu_vibrator_module_methods,
+};