xref: /netbsd/sys/arch/prep/include/isa_machdep.h (revision bf9ec67e)
1 /*	$NetBSD: isa_machdep.h,v 1.6 2001/08/26 02:47:34 matt 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. All advertising materials mentioning features or use of this software
56  *    must display the following acknowledgement:
57  *	This product includes software developed by the University of
58  *	California, Berkeley and its contributors.
59  * 4. Neither the name of the University nor the names of its contributors
60  *    may be used to endorse or promote products derived from this software
61  *    without specific prior written permission.
62  *
63  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
64  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
65  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
66  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
67  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
68  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
69  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
70  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
71  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
72  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
73  * SUCH DAMAGE.
74  *
75  *	@(#)isa.h	5.7 (Berkeley) 5/9/91
76  */
77 
78 /*
79  * Various pieces of the prep port want to include this file without
80  * or in spite of using isavar.h, and should be fixed.
81  */
82 
83 #ifndef _PREP_ISA_MACHDEP_H_
84 #define _PREP_ISA_MACHDEP_H_
85 
86 #include <machine/bus.h>
87 #include <dev/isa/isadmavar.h>
88 
89 /*
90  * XXX THIS FILE IS A MESS.  copyright: berkeley's probably.
91  * contents from isavar.h and isareg.h, mostly the latter.
92  * perhaps charles's?
93  *
94  * copyright from berkeley's isa.h which is now dev/isa/isareg.h.
95  */
96 
97 /*
98  * Types provided to machine-independent ISA code.
99  */
100 struct prep_isa_chipset {
101 	struct isa_dma_state ic_dmastate;
102 };
103 
104 typedef struct prep_isa_chipset *isa_chipset_tag_t;
105 
106 struct device;			/* XXX */
107 struct isabus_attach_args;	/* XXX */
108 
109 /*
110  * Functions provided to machine-independent ISA code.
111  */
112 void	isa_attach_hook(struct device *, struct device *,
113 	    struct isabus_attach_args *);
114 const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq);
115 void	*isa_intr_establish(isa_chipset_tag_t ic, int irq, int type,
116 	    int level, int (*ih_fun)(void *), void *ih_arg);
117 void	isa_intr_disestablish(isa_chipset_tag_t ic, void *handler);
118 int	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_isfree(ic, c)						\
155 	_isa_drq_isfree(&(ic)->ic_dmastate, (c))
156 #define	isa_malloc(ic, c, s, p, f)					\
157 	_isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
158 #define	isa_free(a, p)							\
159 	_isa_free((a), (p))
160 #define	isa_mappage(m, o, p)						\
161 	_isa_mappage((m), (o), (p))
162 
163 /*
164  * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED
165  * BY PORTABLE CODE.
166  */
167 
168 #define	isa_outb(x,y)	outb(PREP_BUS_SPACE_IO + (x), y)
169 #define isa_inb(x)	inb(PREP_BUS_SPACE_IO + (x))
170 
171 extern struct powerpc_bus_dma_tag isa_bus_dma_tag;
172 
173 /*
174  * XXX Various seemingly PC-specific constants, some of which may be
175  * unnecessary anyway.
176  */
177 
178 /*
179  * stuff that used to be in pccons.c
180  */
181 #define	MONO_BASE	0x3B4
182 #define	MONO_BUF	0xB0000
183 #define	CGA_BASE	0x3D4
184 #define	CGA_BUF		0xB8000
185 
186 /*
187  * Miscellanous functions.
188  */
189 void isabeep(int, int);		/* beep with the system speaker */
190 void init_icu(int);		/* change ELCR */
191 
192 #endif /* _PREP_ISA_MACHDEP_H_ */
193