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/*
* This file is part of the ectool 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.
*/
#ifndef _EC_H
#define _EC_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
#define RX_EC 0xf0 // Read Extended operation
#define WX_EC 0xf1 // Write Extended operation
int send_ec_command(uint8_t command);
int send_ec_data(uint8_t data);
int send_ec_data_nowait(uint8_t data);
uint8_t recv_ec_data(void);
uint8_t ec_read(uint8_t addr);
int ec_write(uint8_t addr, uint8_t data);
uint8_t ec_ext_read(uint16_t addr);
int ec_ext_write(uint16_t addr, uint8_t data);
uint8_t ec_idx_read(uint16_t addr);
uint8_t ec_query(void);
#endif
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