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/* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_ZEPHYR_ESPI_SHIM_H
#define __CROS_EC_ZEPHYR_ESPI_SHIM_H
#include <stdbool.h>
#include <stdint.h>
/**
* zephyr_shim_setup_espi() - initialize eSPI device
*
* Return: 0 upon success, or <0 upon failure.
*/
int zephyr_shim_setup_espi(void);
/**
* Check if the message is an ACPI command.
*
* @param data The full ACPI event data.
* @return True if the message is a command.
*/
bool is_acpi_command(uint32_t data);
/**
* Get the value component of the ACPI message.
*
* @param data The full ACPI event data.
* @return The value component of the ACPI message.
*/
uint32_t get_acpi_value(uint32_t data);
/**
* Check if the 8042 event data contains an input-buffer-full (IBF) event.
*
* @param data The full 8042 event data.
* @return True if the data contains an IBF event.
*/
bool is_8042_ibf(uint32_t data);
/**
* Check if the 8042 event data contains an output-buffer-empty (OBE) event.
*
* @param data The full 8042 event data.
* @return True if the data contains an OBE event.
*/
bool is_8042_obe(uint32_t data);
/**
* Get the type of 8042 message.
*
* @param data The full 8042 event data.
* @return The type component of the message.
*/
uint32_t get_8042_type(uint32_t data);
/**
* Get the data from an 8042 message.
*
* @param data The full 8042 event data.
* @return The data component of the message.
*/
uint32_t get_8042_data(uint32_t data);
#endif /* __CROS_EC_ZEPHYR_ESPI_SHIM_H */
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