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diff --git a/quantum/dynamic_keymap.h b/quantum/dynamic_keymap.h
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+/* Copyright 2017 Jason Williams (Wilba)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+uint8_t dynamic_keymap_get_layer_count(void);
+void *dynamic_keymap_key_to_eeprom_address(uint8_t layer, uint8_t row, uint8_t column);
+uint16_t dynamic_keymap_get_keycode(uint8_t layer, uint8_t row, uint8_t column);
+void dynamic_keymap_set_keycode(uint8_t layer, uint8_t row, uint8_t column, uint16_t keycode);
+void dynamic_keymap_reset(void);
+// These get/set the keycodes as stored in the EEPROM buffer
+// Data is big-endian 16-bit values (the keycodes)
+// Order is by layer/row/column
+// Thus offset 0 = 0,0,0, offset MATRIX_COLS*2 = 0,1,0, offset MATRIX_ROWS*MATRIX_COLS*2 = 1,0,0
+// Note the *2, because offset is in bytes and keycodes are two bytes
+// This is only really useful for host applications that want to get a whole keymap fast,
+// by reading 14 keycodes (28 bytes) at a time, reducing the number of raw HID transfers by
+// a factor of 14.
+void dynamic_keymap_get_buffer( uint16_t offset, uint16_t size, uint8_t *data );
+void dynamic_keymap_set_buffer( uint16_t offset, uint16_t size, uint8_t *data );
+
+// This overrides the one in quantum/keymap_common.c
+// uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key);
+
+
+
+// Note regarding dynamic_keymap_macro_set_buffer():
+// The last byte of the buffer is used as a valid flag,
+// so macro sending is disabled during writing a new buffer,
+// should it happen during, or after an interrupted transfer.
+//
+// Users writing to the buffer must first set the last byte of the buffer
+// to non-zero (i.e. 0xFF). After (or during) the final write, set the
+// last byte of the buffer to zero.
+//
+// Since the contents of the buffer must be a list of null terminated
+// strings, the last byte must be a null when at maximum capacity,
+// and it not being null means the buffer can be considered in an
+// invalid state.
+
+uint8_t dynamic_keymap_macro_get_count(void);
+uint16_t dynamic_keymap_macro_get_buffer_size(void);
+void dynamic_keymap_macro_get_buffer( uint16_t offset, uint16_t size, uint8_t *data );
+void dynamic_keymap_macro_set_buffer( uint16_t offset, uint16_t size, uint8_t *data );
+void dynamic_keymap_macro_reset(void);
+
+void dynamic_keymap_macro_send( uint8_t id );
+