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/*
* This file is part of the coreboot project.
*
* Copyright 2018 Google LLC
*
* 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.
*/
#ifndef EC_GOOGLE_WILCO_COMMANDS_H
#define EC_GOOGLE_WILCO_COMMANDS_H
#include <stdint.h>
enum {
/* Retrieve information about the EC */
KB_EC_INFO = 0x38,
/* Set ACPI mode on or off */
KB_ACPI = 0x3a,
/* Manage the EC power button passthru to the host */
KB_POWER_BUTTON_TO_HOST = 0x3e,
};
enum set_acpi_mode_cmd {
ACPI_OFF = 0,
ACPI_ON
};
/*
* EC Information
*/
enum get_ec_info_cmd {
GET_EC_LABEL = 0,
GET_EC_SVN_REV,
GET_EC_MODEL_NO,
GET_EC_BUILD_DATE
};
#define EC_INFO_MAX_SIZE 9
struct ec_response_get_ec_info {
char data[EC_INFO_MAX_SIZE]; /* ASCII NUL terminated string */
};
/**
* wilco_ec_get_info
*
* Read a specific information string from the EC and return it in
* the caller-provided buffer of at least EC_INFO_MAX_SIZE bytes.
*
* @cmd: Information to retrieve
* @info: Character array of EC_INFO_MAX_SIZE bytes
*
* Returns 0 if successful and resulting string is in 'info'
* Returns -1 if the EC command fails
*/
int wilco_ec_get_info(enum get_ec_info_cmd cmd, char *info);
/**
* wilco_ec_print_all_info
*
* Retrieve and print all the information strings from the EC:
*
* GET_EC_LABEL
* GET_EC_SVN_REV
* GET_EC_MODEL_NO
* GET_EC_BUILD_DATE
*/
void wilco_ec_print_all_info(void);
#endif /* EC_GOOGLE_WILCO_COMMANDS_H */
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