2012-12-12 00:51:47 +01:00
|
|
|
/*
|
|
|
|
|
* This file is part of the coreboot project.
|
|
|
|
|
*
|
|
|
|
|
* Copyright (C) 2012 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.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* EC communication interface for COMPAL ENE932 Embedded Controller.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef _EC_COMPAL_ENE932_EC_H
|
|
|
|
|
#define _EC_COMPAL_ENE932_EC_H
|
|
|
|
|
|
2014-04-07 06:48:44 +02:00
|
|
|
#include <stdint.h>
|
|
|
|
|
|
2012-12-12 00:51:47 +01:00
|
|
|
#define EC_IO 0xfd60 /* Mainboard specific. Could be Kconfig option */
|
|
|
|
|
#define EC_IO_HIGH EC_IO + 1
|
|
|
|
|
#define EC_IO_LOW EC_IO + 2
|
|
|
|
|
#define EC_IO_DATA EC_IO + 3
|
|
|
|
|
|
|
|
|
|
/* ENE EC internal address space */
|
|
|
|
|
#define REG_SPI_DATA 0xfeab
|
|
|
|
|
#define REG_SPI_COMMAND 0xfeac
|
|
|
|
|
#define REG_SPI_CONFIG 0xfead
|
|
|
|
|
#define CFG_CSn_FORCE_LOW (1 << 4)
|
|
|
|
|
#define CFG_COMMAND_WRITE_ENABLE (1 << 3)
|
|
|
|
|
#define CFG_STATUS (1 << 1)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#define KBD_DATA 0x60
|
|
|
|
|
#define KBD_COMMAND 0x64
|
|
|
|
|
#define KBD_STATUS 0x64
|
|
|
|
|
#define KBD_IBF (1 << 1) // 1: input buffer full (data ready for ec)
|
|
|
|
|
#define KBD_OBF (1 << 0) // 1: output buffer full (data ready for host)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Wait 400ms for keyboard controller answers */
|
|
|
|
|
#define KBC_TIMEOUT_IN_MS 400
|
|
|
|
|
|
|
|
|
|
u8 ec_kbc_read_ob(void);
|
|
|
|
|
void ec_kbc_write_cmd(u8 cmd);
|
|
|
|
|
void ec_kbc_write_ib(u8 data);
|
|
|
|
|
int kbc_cleanup_buffers(void);
|
|
|
|
|
|
|
|
|
|
#endif /* _EC_COMPAL_ENE932_EC_H */
|
