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      1 /*	$NetBSD: sram.h,v 1.4 2015/09/07 03:49:46 dholland Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994 Kazuhisa Shimizu.
      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  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Kazuhisa Shimizu.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #ifndef _X68K_SRAM_H_
     34 #define _X68K_SRAM_H_
     35 
     36 /* This is sram device driver. */
     37 
     38 #include <sys/ioccom.h>
     39 
     40 #define SRAM_SIZE 16*1024	/* Sram size is 16K bytes. */
     41 #define SRAM_IO_SIZE 16		/* IO size */
     42 
     43 struct sram_io {
     44 	int offset;				/* IO offset */
     45 	unsigned char sram[SRAM_IO_SIZE];
     46 };
     47 
     48 #define SIOPSRAM	_IOW('V', 0x0, struct sram_io)
     49 #define SIOGSRAM	_IOWR('V', 0x1, struct sram_io)
     50 
     51 #endif
     52