1 files changed, 49 insertions, 0 deletions
diff --git a/src/ec/acpi/ec.h b/src/ec/acpi/ec.h
new file mode 100644
index 0000000000..77ee6379ea
--- /dev/null
+++ b/src/ec/acpi/ec.h
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * 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
+ */
+
+#ifndef _EC_ACPI_H
+#define _EC_ACPI_H
+
+#define EC_DATA	0x62
+#define EC_SC	0x66
+
+/* EC_SC input */
+#define   EC_SMI_EVT	(1 << 6) // 1: SMI event pending
+#define   EC_SCI_EVT	(1 << 5) // 1: SCI event pending
+#define   EC_BURST	(1 << 4) // controller is in burst mode
+#define   EC_CMD	(1 << 3) // 1: byte in data register is command
+				 // 0: byte in data register is data
+#define   EC_IBF	(1 << 1) // 1: input buffer full (data ready for ec)
+#define   EC_OBF	(1 << 0) // 1: output buffer full (data ready for host)
+/* EC_SC output */
+#define   RD_EC		0x80 // Read Embedded Controller
+#define   WR_EC		0x81 // Write Embedded Controller
+#define   BE_EC		0x82 // Burst Enable Embedded Controller
+#define   BD_EC 	0x83 // Burst Disable Embedded Controller
+#define   QR_EC 	0x84 // Query Embedded Controller
+
+int send_ec_command(u8 command);
+int send_ec_data(u8 data);
+int send_ec_data_nowait(u8 data);
+u8 recv_ec_data(void);
+u8 ec_read(u8 addr);
+int ec_write(u8 addr, u8 data);
+
+#endif
+