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/*
* Arm SCP/MCP Software
* Copyright (c) 2017-2019, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*
* Description:
* Message Handling Unit (MHU) v2 Device Driver.
*/
#ifndef MOD_MHU2_H
#define MOD_MHU2_H
#include <stdint.h>
#include <fwk_macros.h>
/*!
* \addtogroup GroupModules Modules
* @{
*/
/*!
* \defgroup GroupMHUv2 Message Handling Unit (MHU) v2 Driver
* @{
*/
/*!
* \brief MHU v2 api indicies
*/
enum mod_mhu2_api_idx {
/*! SMT driver API */
MOD_MHU2_API_IDX_SMT_DRIVER,
/*! Number of APIs */
MOD_MHU2_API_IDX_COUNT,
};
/*!
* \brief MHU v2 device
*
* \details Abstract representation of a bidirectional MHU channel that consists
* of a single receive interrupt line and a pair of register sets, one for
* each direction of communication.
*/
struct mod_mhu2_channel_config {
/*! IRQ number of the receive interrupt line */
unsigned int irq;
/*! Base address of the registers of the incoming MHU */
uintptr_t recv;
/*! Base address of the registers of the outgoing MHU */
uintptr_t send;
/*! Channel number */
unsigned int channel;
};
/*!
* @}
*/
/*!
* @}
*/
#endif /* MOD_MHU2_H */
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