xref: /netbsd-src/sys/arch/alpha/jensenio/jenseniovar.h (revision c34236556bea94afcaca1782d7d228301edc3ea0)
1 /* $NetBSD: jenseniovar.h,v 1.4 2008/04/28 20:23:11 martin 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 Jason R. Thorpe.
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 #ifndef _ALPHA_JENSENIO_JENSENIOVAR_H_
33 #define _ALPHA_JENSENIO_JENSENIOVAR_H_
34 
35 /*
36  * Arguments used to attach devices to the Jensen I/O bus.
37  */
38 struct jensenio_attach_args {
39 	union {
40 		struct eisabus_attach_args jaun_eisa;
41 		struct isabus_attach_args jaun_isa;
42 	} ja_un;
43 
44 	const char *ja_name;
45 	bus_addr_t ja_ioaddr;		/* I/O space address */
46 	int ja_irq[2];			/* Jensen IRQs */
47 
48 /* For attaching busses. */
49 #define	ja_eisa		ja_un.jaun_eisa
50 #define	ja_isa		ja_un.jaun_isa
51 
52 /* For attaching built-in devices. */
53 #define	ja_iot		ja_eisa.eba_iot
54 #define	ja_ec		ja_eisa.eba_ec
55 };
56 
57 /*
58  * The Jensen I/O bus configuration.
59  *
60  * All of the information that the chipset-specific functions need to
61  * do their dirty work (and more!)
62  */
63 struct jensenio_config {
64 	int	jc_initted;
65 
66 	struct alpha_bus_space jc_internal_iot, jc_eisa_iot, jc_eisa_memt;
67 	struct alpha_eisa_chipset jc_ec;
68 	struct alpha_isa_chipset jc_ic;
69 
70 	struct alpha_bus_dma_tag jc_dmat_eisa, jc_dmat_isa;
71 
72 	struct extent *jc_io_ex, *jc_s_mem_ex;
73 
74 	int	jc_mallocsafe;
75 };
76 
77 void	jensenio_init(struct jensenio_config *, int);
78 void	jensenio_bus_io_init(bus_space_tag_t, void *);
79 void	jensenio_bus_intio_init(bus_space_tag_t, void *);
80 void	jensenio_bus_mem_init(bus_space_tag_t, void *);
81 void	jensenio_intr_init(struct jensenio_config *);
82 void	jensenio_dma_init(struct jensenio_config *);
83 #endif /* _ALPHA_JENSENIO_JENSENIOVAR_H_ */
84