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diff --git a/effect/VibratorPatterns.h b/effect/VibratorPatterns.h
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+++ b/effect/VibratorPatterns.h
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+/*
+ * Copyright (c) 2021, 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  VIBRATOR_PATTERNS_H
+#define  VIBRATOR_PATTERNS_H
+
+#include <sys/types.h>
+
+struct effect {
+    uint16_t effect_id;
+    uint16_t effect_type;
+    uint16_t effect_len;
+    uint16_t offset;
+    uint32_t play_rate;
+};
+
+enum period {
+    S_PERIOD_T_LRA = 0,
+    S_PERIOD_T_LRA_DIV_2,
+    S_PERIOD_T_LRA_DIV_4,
+    S_PERIOD_T_LRA_DIV_8,
+    S_PERIOD_T_LRA_X_2,
+    S_PERIOD_T_LRA_X_4,
+    S_PERIOD_T_LRA_X_8,
+    /* F_8KHZ to F_48KHZ can be specified only for FIFO patterns */
+    S_PERIOD_F_8KHZ = 8,
+    S_PERIOD_F_16KHZ,
+    S_PERIOD_F_24KHZ,
+    S_PERIOD_F_32KHZ,
+    S_PERIOD_F_44P1KHZ,
+    S_PERIOD_F_48KHZ,
+};
+
+enum effect_type {
+    EFFECT_TYPE_PATTERN = 1,
+    EFFECT_TYPE_FIFO_ENVELOPE,
+    EFFECT_TYPE_FIFO_STREAMING,
+};
+
+enum offload_status {
+    OFFLOAD_SUCCESS = 0,
+    OFFLOAD_FAILURE = 1
+};
+
+int get_pattern_config(uint8_t **ptr, uint32_t *size);
+int get_pattern_data(uint8_t **ptr, uint32_t *size);
+void free_pattern_mem(uint8_t *ptr);
+#endif