xref: /netbsd/sys/dev/ic/upcvar.h (revision bf9ec67e)
1 /* $NetBSD: upcvar.h,v 1.1 2000/08/16 23:56:12 bjh21 Exp $ */
2 /*-
3  * Copyright (c) 2000 Ben Harris
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 /* This file is part of NetBSD/arm26 -- a port of NetBSD to ARM2/3 machines. */
29 
30 #ifndef __UPCVAR_H
31 #define __UPCVAR_H
32 
33 #include <machine/bus.h>
34 
35 struct upc_irqhandle {
36 	int	(*uih_func)(void *);
37 	void	*uih_arg;
38 	int	uih_level;
39 };
40 
41 struct upc_softc {
42 	struct device		sc_dev;
43 	/* These fields are filled in by the bus attachment. */
44 	bus_space_tag_t		sc_iot;
45 	bus_space_handle_t	sc_ioh;
46 	/*
47 	 * These fields are filled in by upc_attach().  The bus attachment
48 	 * for upc is expected to establish them according to the way the
49 	 * chip is wired.
50 	 */
51 	struct upc_irqhandle	sc_irq3;
52 	struct upc_irqhandle	sc_irq4;
53 	struct upc_irqhandle	sc_pintr;
54 	struct upc_irqhandle	sc_fintr;
55 	struct upc_irqhandle	sc_wintr;
56 };
57 
58 extern void upc_attach(struct upc_softc *);
59 extern int upc_read_config(struct upc_softc *, int);
60 extern void upc_write_config(struct upc_softc *, int, int);
61 
62 /* This is the structure passed to children of upc. */
63 struct upc_attach_args {
64 	char const		*ua_devtype;
65 	int			ua_offset;
66 	bus_space_tag_t		ua_iot;
67 	bus_space_handle_t	ua_ioh;
68 	bus_space_handle_t	ua_ioh2; /* for wdc */
69 	struct upc_irqhandle	*ua_irqhandle;
70 };
71 
72 extern void upc_intr_establish(struct upc_irqhandle *, int, int (*)(void *),
73 			       void *arg);
74 
75 #endif
76