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amigaio.h revision 1.4 
      1 /* $NetBSD: amigaio.h,v 1.4 2008/04/28 20:23:13 martin Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1996 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * This describes the IO parameter block used by many standard
     34  * Amiga OS device drivers.
     35  */
     36 #ifndef AMIGA_IO_H
     37 #define AMIGA_IO_H
     38 
     39 struct AmigaIO {
     40 	u_int8_t	dum0[28];
     41 	u_int16_t	cmd;
     42 	u_int8_t	flags;
     43 	int8_t		err;
     44 	u_int32_t	actual, /* transferred */
     45 			length;	/* please transfer this much */
     46 	void 		*buf;	/* data buffer */
     47 	u_int32_t	offset;	/* offset for block devices */
     48 };
     49 
     50 struct TimerIO {
     51 	u_int8_t	dum0[28];
     52 	u_int16_t	cmd;
     53 	u_int8_t	flags;
     54 	int8_t		err;
     55 	u_int32_t	secs,
     56 			usec;
     57 };
     58 
     59 /* flags */
     60 #define	QuickIO		0x1
     61 
     62 /* commands */
     63 #define Cmd_Rst		0x1
     64 #define Cmd_Rd		0x2
     65 #define Cmd_Wr		0x3
     66 #define Cmd_Upd		0x4
     67 #define Cmd_Clr		0x5
     68 #define Cmd_Stp		0x6
     69 #define Cmd_Strt	0x7
     70 #define Cmd_Flsh	0x8
     71 
     72 #define Cmd_Addtimereq	0x9
     73 
     74 #endif /* AMIGA_IO_H */
     75