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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 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
*
* Mailbox EC communication interface for SMSC MEC1308 Embedded Controller.
*/
#ifndef _EC_SMSC_MEC1308_EC_H
#define _EC_SMSC_MEC1308_EC_H
#define EC_TIMEOUT 0xfff
#define EC_MAILBOX_COMMAND 0x82 // Send a command
#define EC_MAILBOX_DATA 0x84 // Send data with a command
#define EC_MAILBOX_DATA_H 0x85 // Send data with a command
#define EC_RAM_READ 0x88 // Read from RAM
#define EC_RAM_WRITE 0x89 // Write to RAM
int send_ec_command(u8 command);
int send_ec_command_data(u8 command, u8 data);
u8 read_ec_command_byte(u8 command);
u8 ec_read(u8 addr);
int ec_write(u8 addr, u8 data);
void ec_set_bit(u8 addr, u8 bit);
void ec_clr_bit(u8 addr, u8 bit);
void ec_set_ports(u16 cmd_reg, u16 data_reg);
#endif /* _EC_SMSC_MEC1308_EC_H */
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