isa_machdep.h revision 1.4
1/*	$NetBSD: isa_machdep.h,v 1.4 2005/12/11 12:18:19 christos Exp $	*/
2
3/*-
4 * Copyright (c) 1996, 1997, 1998 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 of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *	This product includes software developed by the NetBSD
22 *	Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 *    contributors may be used to endorse or promote products derived
25 *    from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40/*-
41 * Copyright (c) 1990 The Regents of the University of California.
42 * All rights reserved.
43 *
44 * This code is derived from software contributed to Berkeley by
45 * William Jolitz.
46 *
47 * Redistribution and use in source and binary forms, with or without
48 * modification, are permitted provided that the following conditions
49 * are met:
50 * 1. Redistributions of source code must retain the above copyright
51 *    notice, this list of conditions and the following disclaimer.
52 * 2. Redistributions in binary form must reproduce the above copyright
53 *    notice, this list of conditions and the following disclaimer in the
54 *    documentation and/or other materials provided with the distribution.
55 * 3. Neither the name of the University nor the names of its contributors
56 *    may be used to endorse or promote products derived from this software
57 *    without specific prior written permission.
58 *
59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69 * SUCH DAMAGE.
70 *
71 *	@(#)isa.h	5.7 (Berkeley) 5/9/91
72 */
73
74/*
75 * Various pieces of the mvmeppc port want to include this file without
76 * or in spite of using isavar.h, and should be fixed.
77 */
78
79#ifndef _MVMEPPC_ISA_MACHDEP_H_
80#define _MVMEPPC_ISA_MACHDEP_H_
81
82#include <machine/bus.h>
83#include <dev/isa/isadmavar.h>
84
85/*
86 * XXX THIS FILE IS A MESS.  copyright: berkeley's probably.
87 * contents from isavar.h and isareg.h, mostly the latter.
88 * perhaps charles's?
89 *
90 * copyright from berkeley's isa.h which is now dev/isa/isareg.h.
91 */
92
93/*
94 * Types provided to machine-independent ISA code.
95 */
96struct mvmeppc_isa_chipset {
97	bus_space_tag_t ic_iot;
98	bus_space_handle_t ic_elcr;
99	bus_space_handle_t ic_icu1;
100	bus_space_handle_t ic_icu2;
101	struct isa_dma_state ic_dmastate;
102};
103
104typedef struct mvmeppc_isa_chipset *isa_chipset_tag_t;
105
106struct device;			/* XXX */
107struct isabus_attach_args;	/* XXX */
108
109/*
110 * Functions provided to machine-independent ISA code.
111 */
112void	isa_attach_hook(struct device *, struct device *,
113	    struct isabus_attach_args *);
114const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq);
115void	*isa_intr_establish(isa_chipset_tag_t ic, int irq, int type,
116	    int level, int (*ih_fun)(void *), void *ih_arg);
117void	isa_intr_disestablish(isa_chipset_tag_t ic, void *handler);
118int	isa_intr_alloc(isa_chipset_tag_t, int, int, int *);
119
120#define	isa_dmainit(ic, bst, dmat, d)					\
121	_isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
122#define	isa_dmacascade(ic, c)						\
123	_isa_dmacascade(&(ic)->ic_dmastate, (c))
124#define	isa_dmamaxsize(ic, c)						\
125	_isa_dmamaxsize(&(ic)->ic_dmastate, (c))
126#define	isa_dmamap_create(ic, c, s, f)					\
127	_isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
128#define	isa_dmamap_destroy(ic, c)					\
129	_isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
130#define	isa_dmastart(ic, c, a, n, p, f, bf)				\
131	_isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
132#define	isa_dmaabort(ic, c)						\
133	_isa_dmaabort(&(ic)->ic_dmastate, (c))
134#define	isa_dmacount(ic, c)						\
135	_isa_dmacount(&(ic)->ic_dmastate, (c))
136#define	isa_dmafinished(ic, c)						\
137	_isa_dmafinished(&(ic)->ic_dmastate, (c))
138#define	isa_dmadone(ic, c)						\
139	_isa_dmadone(&(ic)->ic_dmastate, (c))
140#define	isa_dmafreeze(ic)						\
141	_isa_dmafreeze(&(ic)->ic_dmastate)
142#define	isa_dmathaw(ic)							\
143	_isa_dmathaw(&(ic)->ic_dmastate)
144#define	isa_dmamem_alloc(ic, c, s, ap, f)				\
145	_isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
146#define	isa_dmamem_free(ic, c, a, s)					\
147	_isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
148#define	isa_dmamem_map(ic, c, a, s, kp, f)				\
149	_isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
150#define	isa_dmamem_unmap(ic, c, k, s)					\
151	_isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
152#define	isa_dmamem_mmap(ic, c, a, s, o, p, f)				\
153	_isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
154#define isa_drq_alloc(ic, c)						\
155	_isa_drq_alloc(&(ic)->ic_dmastate, c)
156#define isa_drq_free(ic, c)						\
157	_isa_drq_free(&(ic)->ic_dmastate, c)
158#define	isa_drq_isfree(ic, c)						\
159	_isa_drq_isfree(&(ic)->ic_dmastate, (c))
160#define	isa_malloc(ic, c, s, p, f)					\
161	_isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
162#define	isa_free(a, p)							\
163	_isa_free((a), (p))
164#define	isa_mappage(m, o, p)						\
165	_isa_mappage((m), (o), (p))
166
167/*
168 * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED
169 * BY PORTABLE CODE.
170 */
171
172#define	isa_outb(x,y)	outb(MVMEPPC_KVA_BASE_IO + (x), y)
173#define isa_inb(x)	inb(MVMEPPC_KVA_BASE_IO + (x))
174
175extern struct powerpc_bus_dma_tag isa_bus_dma_tag;
176
177/*
178 * XXX Various seemingly PC-specific constants, some of which may be
179 * unnecessary anyway.
180 */
181
182/*
183 * stuff that used to be in pccons.c
184 */
185#define	MONO_BASE	0x3B4
186#define	MONO_BUF	0xB0000
187#define	CGA_BASE	0x3D4
188#define	CGA_BUF		0xB8000
189
190/*
191 * Miscellanous functions.
192 */
193/* Initialise isa icu */
194void init_icu(struct mvmeppc_isa_chipset *, bus_space_tag_t, int);
195
196#endif /* _MVMEPPC_ISA_MACHDEP_H_ */
197