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spi_io.h revision 1.1 
      1 /*	$NetBSD: spi_io.h,v 1.1 2019/02/23 10:43:25 mlelstv Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2019 Michael van Elst
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _DEV_SPI_SPI_IO_H_
     30 #define	_DEV_SPI_SPI_IO_H_
     31 
     32 #include <sys/types.h>
     33 #include <sys/ioccom.h>
     34 #include <sys/uio.h>
     35 
     36 typedef struct spi_ioctl_configure {
     37 	int sic_addr;
     38 	int sic_mode;
     39 	int sic_speed;
     40 } spi_ioctl_configure_t;
     41 
     42 typedef struct spi_ioctl_transfer {
     43 	int sit_addr;
     44 	const void *sit_send;
     45 	size_t sit_sendlen;
     46 	void *sit_recv;
     47 	size_t sit_recvlen;
     48 } spi_ioctl_transfer_t;
     49 
     50 #define	SPI_IOCTL_CONFIGURE		_IOW('S', 0, spi_ioctl_configure_t)
     51 #define	SPI_IOCTL_TRANSFER		_IOW('S', 1, spi_ioctl_transfer_t)
     52 
     53 #endif /* _DEV_SPI_SPI_IO_H_ */
     54