diff --git a/vibrator/effect/Android.bp b/vibrator/effect/Android.bp
new file mode 100644
index 0000000..19f6cfe
--- /dev/null
+++ b/vibrator/effect/Android.bp
@@ -0,0 +1,14 @@
+Common_CFlags = ["-Wall"]
+Common_CFlags += ["-Werror"]
+
+cc_library_shared {
+    name: "libqtivibratoreffect",
+    vendor: true,
+    cflags: Common_CFlags,
+    srcs: ["effect.cpp"],
+    shared_libs: [
+        "libcutils",
+        "libutils",
+    ],
+    export_include_dirs: ["."]
+}
diff --git a/vibrator/effect/effect.cpp b/vibrator/effect/effect.cpp
new file mode 100644
index 0000000..ea8cd78
--- /dev/null
+++ b/vibrator/effect/effect.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "effect.h"
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
+
+/* ~170 HZ sine waveform */
+static const int8_t effect_0[] = {
+    17,  34,  50,  65,  79,  92,  103, 112, 119, 124,
+    127, 127, 126, 122, 116, 108, 98,  86,  73,  58,
+    42,  26,  9,   -8,  -25, -41, -57, -72, -85, -97,
+    -108, -116, -122, -126, -127, -127, -125, -120,
+    -113, -104, -93,  -80, -66, -51, -35, -18, -1,
+};
+
+static const int8_t effect_1[] = {
+    -1, -18, -35, -51, -66, -80, -93, -104, -113,
+    -120, -125, -127, -127, -126, -122, -116, -108,
+    -97, -85, -72, -57, -41, -25, -8, 9, 26, 42,
+    58, 73, 86, 98, 108, 116, 122, 126, 127, 127,
+    124, 119, 112, 103, 92, 79, 65, 50, 34, 17,
+};
+
+static const struct effect_stream effects[] = {
+    {
+        .effect_id = 0,
+        .data = effect_0,
+        .length = ARRAY_SIZE(effect_0),
+        .play_rate_hz = 8000,
+    },
+
+    {
+        .effect_id = 1,
+        .data = effect_1,
+        .length = ARRAY_SIZE(effect_1),
+        .play_rate_hz = 8000,
+    },
+};
+
+const struct effect_stream *get_effect_stream(uint32_t effect_id)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(effects); i++) {
+        if (effect_id == effects[i].effect_id)
+            return &effects[i];
+    }
+
+    return NULL;
+}
diff --git a/vibrator/effect/effect.h b/vibrator/effect/effect.h
new file mode 100644
index 0000000..a588e22
--- /dev/null
+++ b/vibrator/effect/effect.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef QTI_VIBRATOR_EFFECT_STREAM_H
+#define QTI_VIBRATOR_EFFECT_STREAM_H
+#include <sys/types.h>
+
+struct effect_stream {
+    uint32_t   	    effect_id;
+    uint32_t        length;
+    uint32_t        play_rate_hz;
+    const int8_t    *data;
+};
+
+const struct effect_stream *get_effect_stream(uint32_t effect_id);
+
+#endif