rt-thread/bsp/imxrt1052-evk/Libraries/drivers/fsl_xbarb.h

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2017-10-26 15:39:32 +08:00
/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _FSL_XBARB_H_
#define _FSL_XBARB_H_
#include "fsl_common.h"
/*!
* @addtogroup xbarb
* @{
*/
/*******************************************************************************
* Definitions
******************************************************************************/
#define FSL_XBARB_DRIVER_VERSION (MAKE_VERSION(2, 0, 1)) /*!< Version 2.0.1. */
/* Macros for entire XBARB_SELx register. */
#define XBARB_SELx(base, output) (*(volatile uint16_t *)((uintptr_t) & (base->SEL0) + ((output) / 2U) * 2U))
/* Set the SELx field to a new value. */
#define XBARB_WR_SELx_SELx(base, input, output) \
(XBARB_SELx((base), (output)) = \
((XBARB_SELx((base), (output)) & ~(0xFFU << (XBARB_SEL0_SEL1_SHIFT * ((output) % 2U)))) | \
((input) << (XBARB_SEL0_SEL1_SHIFT * ((output) % 2U)))))
/*******************************************************************************
* API
******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif /* __cplusplus */
/*!
* @name XBARB functional Operation.
* @{
*/
/*!
* @brief Initializes the XBARB module.
*
* This function un-gates the XBARB clock.
*
* @param base XBARB peripheral address.
*/
void XBARB_Init(XBARB_Type *base);
/*!
* @brief Shuts down the XBARB module.
*
* This function disables XBARB clock.
*
* @param base XBARB peripheral address.
*/
void XBARB_Deinit(XBARB_Type *base);
/*!
* @brief Configures a connection between the selected XBARB_IN[*] input and the XBARB_OUT[*] output signal.
*
* This function configures which XBARB input is connected to the selected XBARB output.
* If more than one XBARB module is available, only the inputs and outputs from the same module
* can be connected.
*
* @param base XBARB peripheral address.
* @param input XBARB input signal.
* @param output XBARB output signal.
*/
void XBARB_SetSignalsConnection(XBARB_Type *base, xbar_input_signal_t input, xbar_output_signal_t output);
#if defined(__cplusplus)
}
#endif /* __cplusplus */
/*! @}*/
/*!* @} */
#endif /* _FSL_XBARB_H_ */