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diff --git a/src/ec/compal/ene932/ec.h b/src/ec/compal/ene932/ec.h
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/*
+ * EC communication interface for COMPAL ENE932 Embedded Controller.
+ */
+
+#ifndef _EC_COMPAL_ENE932_EC_H
+#define _EC_COMPAL_ENE932_EC_H
+
+#define EC_IO 0xfd60 /* Mainboard specific. Could be Kconfig option */
+#define EC_IO_HIGH EC_IO + 1
+#define EC_IO_LOW EC_IO + 2
+#define EC_IO_DATA EC_IO + 3
+
+/* ENE EC internal address space */
+#define REG_SPI_DATA 0xfeab
+#define REG_SPI_COMMAND 0xfeac
+#define REG_SPI_CONFIG 0xfead
+#define CFG_CSn_FORCE_LOW (1 << 4)
+#define CFG_COMMAND_WRITE_ENABLE (1 << 3)
+#define CFG_STATUS (1 << 1)
+
+
+#define KBD_DATA 0x60
+#define KBD_COMMAND 0x64
+#define KBD_STATUS 0x64
+#define KBD_IBF (1 << 1) // 1: input buffer full (data ready for ec)
+#define KBD_OBF (1 << 0) // 1: output buffer full (data ready for host)
+
+
+/* Wait 400ms for keyboard controller answers */
+#define KBC_TIMEOUT_IN_MS 400
+
+u8 ec_kbc_read_ob(void);
+void ec_kbc_write_cmd(u8 cmd);
+void ec_kbc_write_ib(u8 data);
+int kbc_cleanup_buffers(void);
+
+#endif /* _EC_COMPAL_ENE932_EC_H */