78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
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/*
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* This file is part of the coreboot project.
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*
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* Copyright 2018 Google LLC
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef EC_GOOGLE_WILCO_COMMANDS_H
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#define EC_GOOGLE_WILCO_COMMANDS_H
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#include <stdint.h>
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enum {
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/* Retrieve information about the EC */
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KB_EC_INFO = 0x38,
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/* Set ACPI mode on or off */
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KB_ACPI = 0x3a,
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/* Manage the EC power button passthru to the host */
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KB_POWER_BUTTON_TO_HOST = 0x3e,
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};
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enum set_acpi_mode_cmd {
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ACPI_OFF = 0,
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ACPI_ON
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};
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/*
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* EC Information
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*/
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enum get_ec_info_cmd {
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GET_EC_LABEL = 0,
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GET_EC_SVN_REV,
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GET_EC_MODEL_NO,
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GET_EC_BUILD_DATE
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};
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#define EC_INFO_MAX_SIZE 9
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struct ec_response_get_ec_info {
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char data[EC_INFO_MAX_SIZE]; /* ASCII NUL terminated string */
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};
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/**
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* wilco_ec_get_info
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*
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* Read a specific information string from the EC and return it in
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* the caller-provided buffer of at least EC_INFO_MAX_SIZE bytes.
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*
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* @cmd: Information to retrieve
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* @info: Character array of EC_INFO_MAX_SIZE bytes
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*
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* Returns 0 if successful and resulting string is in 'info'
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* Returns -1 if the EC command fails
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*/
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int wilco_ec_get_info(enum get_ec_info_cmd cmd, char *info);
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/**
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* wilco_ec_print_all_info
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*
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* Retrieve and print all the information strings from the EC:
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*
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* GET_EC_LABEL
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* GET_EC_SVN_REV
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* GET_EC_MODEL_NO
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* GET_EC_BUILD_DATE
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*/
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void wilco_ec_print_all_info(void);
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#endif /* EC_GOOGLE_WILCO_COMMANDS_H */
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