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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* 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 OWNER 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 LIBBSP_ARM_IMXRT_IMXRT_LPSPI_H
#define LIBBSP_ARM_IMXRT_IMXRT_LPSPI_H
#include <sys/ioccom.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define IMXRT_LPSPI_IOC_MAGIC 's'
/**
* @brief Fetch the raw registers.
*
* This allows to do some special operations. Note that if you do something
* fancy, you should lock the hardware by obtaining the bus with the
* SPI_BUS_OBTAIN ioctl first. With that, the normal driver can't be used by
* other tasks. Also note that you should leave the registers in a clean state
* before releasing the bus again.
*/
#define IMXRT_LPSPI_GET_REGISTERS _IOR(IMXRT_LPSPI_IOC_MAGIC, 0, LPSPI_Type *)
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_ARM_IMXRT_IMXRT_LPSPI_H */
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