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amigaio.h revision 1.2 
      1 /* $NetBSD: amigaio.h,v 1.2 1999/02/16 22:46:56 is Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Ignatios Souvatzis.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * This describes the IO parameter block used by many standard
     41  * Amiga OS device drivers.
     42  */
     43 #ifndef AMIGA_IO_H
     44 #define AMIGA_IO_H
     45 
     46 struct AmigaIO {
     47 	u_int8_t	dum0[28];
     48 	u_int16_t	cmd;
     49 	u_int8_t	flags;
     50 	int8_t		err;
     51 	u_int32_t	actual, /* transferred */
     52 			length;	/* please transfer this much */
     53 	void 		*buf;	/* data buffer */
     54 	u_int32_t	offset;	/* offset for block devices */
     55 };
     56 
     57 struct TimerIO {
     58 	u_int8_t	dum0[28];
     59 	u_int16_t	cmd;
     60 	u_int8_t	flags;
     61 	int8_t		err;
     62 	u_int32_t	secs,
     63 			usec;
     64 };
     65 
     66 /* flags */
     67 #define	QuickIO		0x1
     68 
     69 /* commands */
     70 #define Cmd_Rst		0x1
     71 #define Cmd_Rd		0x2
     72 #define Cmd_Wr		0x3
     73 #define Cmd_Upd		0x4
     74 #define Cmd_Clr		0x5
     75 #define Cmd_Stp		0x6
     76 #define Cmd_Strt	0x7
     77 #define Cmd_Flsh	0x8
     78 
     79 #define Cmd_Addtimereq	0x9
     80 
     81 #endif /* AMIGA_IO_H */
     82