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/* Copyright 2023 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/**
* @file
*
* @brief Utils for emulators.
*/
#ifndef ZEPHYR_INCLUDE_EMUL_UTILS_H_
#define ZEPHYR_INCLUDE_EMUL_UTILS_H_
/**
* @brief Helper macro for EMUL_GET_USBC_PROP_BINDING.
*
* If the usbc-port-number @p usbc_id has the same phandle in the @p chip
* property as the @p node, then the chip binding of the usbc-port-number is
* returned.
*
* @param usbc_id Named usbc port ID.
* @param chip Name of chip phandle property to match.
* @param node Emulator node to match the phandle of property @p chip in
* named-usbc-port.
* @param prop The name of the returned chip binding.
*
* @return The chip binding of the usbc-port-number, or NULL if no match is
* found.
*/
#define EMUL_GET_USBC_PROP_BINDING_IF_NODE_MATCH(usbc_id, chip, node, prop) \
(DT_DEP_ORD(node) == \
DT_DEP_ORD(COND_CODE_1(DT_NODE_HAS_PROP(usbc_id, chip), \
(DT_PHANDLE(usbc_id, chip)), (DT_ROOT)))) ? \
EMUL_DT_GET(DT_PROP_BY_IDX(usbc_id, prop, 0)):
/**
* @brief Get emulator binding from the property of named-usbc-port @p prop if
* @p chip and the emulator node @p node matched.
*
* @param chip Name of chip property that is phandle to required emulator.
* @param node Node of the emulator which is the phandle of the prop of the
* named-usbc-port.
* @param prop The chip binding of the named-usbc-port which matched chip.
*/
#define EMUL_GET_USBC_PROP_BINDING(chip, node, prop) \
(DT_FOREACH_STATUS_OKAY_VARGS( \
named_usbc_port, EMUL_GET_USBC_PROP_BINDING_IF_NODE_MATCH, \
chip, node, prop) NULL)
#endif /* ZEPHYR_INCLUDE_EMUL_UTILS_H_ */
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