tests/drivers/espi/src/test_acpi.c

/*
 * Copyright 2021 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

#include <zephyr/device.h>
#include <zephyr/drivers/espi.h>
#include <zephyr/drivers/espi_emul.h>
#include <zephyr/ztest.h>

ZTEST(espi, test_acpi_shared_memory)
{
	const struct device *const espi_dev = DEVICE_DT_GET(DT_NODELABEL(espi0));
	struct espi_cfg cfg = {
		.channel_caps = ESPI_CHANNEL_VWIRE | ESPI_CHANNEL_PERIPHERAL,
	};
	uintptr_t host_shm, peripheral_shm;

	zassert_true(device_is_ready(espi_dev), "Device is not ready");

	zassert_ok(espi_config(espi_dev, &cfg));

	host_shm = emul_espi_host_get_acpi_shm(espi_dev);
	zassert_not_equal(host_shm, 0, NULL);

	zassert_ok(espi_read_lpc_request(espi_dev, EACPI_GET_SHARED_MEMORY,
					 (uint32_t *)&peripheral_shm),
		   NULL);

	zassert_equal(host_shm, peripheral_shm);
}

ZTEST_SUITE(espi, NULL, NULL, NULL, NULL, NULL);