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/*
* KB3310B Embedded Controller
*
* Copyright (C) 2008 Lemote Inc.
* Author: liujl <liujl@lemote.com>, 2008-03-14
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef _EC_KB3310B_H
#define _EC_KB3310B_H
extern unsigned char ec_read(unsigned short addr);
extern void ec_write(unsigned short addr, unsigned char val);
extern int ec_query_seq(unsigned char cmd);
extern int ec_query_event_num(void);
extern int ec_get_event_num(void);
/*
* The following registers are determined by the EC index configuration.
* 1, fill the PORT_HIGH as EC register high part.
* 2, fill the PORT_LOW as EC register low part.
* 3, fill the PORT_DATA as EC register write data or get the data from it.
*/
#define EC_IO_PORT_HIGH 0x0381
#define EC_IO_PORT_LOW 0x0382
#define EC_IO_PORT_DATA 0x0383
/*
* EC delay time is 500us for register and status access
*/
#define EC_REG_DELAY 500 /* unit : us */
#define EC_CMD_TIMEOUT 0x1000
/*
* EC access port for SCI communication
*/
#define EC_CMD_PORT 0x66
#define EC_STS_PORT 0x66
#define EC_DAT_PORT 0x62
#define CMD_INIT_IDLE_MODE 0xdd
#define CMD_EXIT_IDLE_MODE 0xdf
#define CMD_INIT_RESET_MODE 0xd8
#define CMD_REBOOT_SYSTEM 0x8c
#define CMD_GET_EVENT_NUM 0x84
#define CMD_PROGRAM_PIECE 0xda
#endif /* !_EC_KB3310B_H */
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