xref: /netbsd/sys/arch/mac68k/obio/espvar.h (revision bf9ec67e)
1 /*	$NetBSD: espvar.h,v 1.6 2000/12/29 17:23:32 briggs Exp $	*/
2 
3 /*
4  * Copyright (c) 1997 Allen Briggs.
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 Peter Galbavy.
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 struct esp_softc {
34 	struct ncr53c9x_softc	sc_ncr53c9x;	/* glue to MI code */
35 	bus_space_tag_t		sc_tag;
36 	bus_space_handle_t	sc_bsh;
37 
38 	volatile u_char *sc_reg;		/* the registers */
39 
40 	u_char		irq_mask;		/* mask for clearing IRQ */
41 
42 	int		sc_active;		/* Pseudo-DMA state vars */
43 	int		sc_datain;
44 	size_t		sc_dmasize;
45 	char		**sc_dmaaddr;
46 	size_t		*sc_dmalen;
47 	int		sc_tc;			/* only used in non-quick */
48 	int		sc_pad;			/* only used in quick */
49 };
50