| /* |
| * 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 */ |
