1/*	$NetBSD: isa_machdep.h,v 1.12 2023/10/09 05:56:24 andvar 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 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*-
34 * Copyright (c) 1990 The Regents of the University of California.
35 * All rights reserved.
36 *
37 * This code is derived from software contributed to Berkeley by
38 * William Jolitz.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 * 1. Redistributions of source code must retain the above copyright
44 *    notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 *    notice, this list of conditions and the following disclaimer in the
47 *    documentation and/or other materials provided with the distribution.
48 * 3. Neither the name of the University nor the names of its contributors
49 *    may be used to endorse or promote products derived from this software
50 *    without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62 * SUCH DAMAGE.
63 *
64 *	@(#)isa.h	5.7 (Berkeley) 5/9/91
65 */
66
67/*
68 * Various pieces of the i386 port want to include this file without
69 * or in spite of using isavar.h, and should be fixed.
70 */
71
72#ifndef _ISA_MACHDEP_H_			/* XXX */
73#define _ISA_MACHDEP_H_			/* XXX */
74
75#include <machine/bus.h>
76
77/*
78 * XXX THIS FILE IS A MESS.  copyright: berkeley's probably.
79 * contents from isavar.h and isareg.h, mostly the latter.
80 * perhaps charles's?
81 *
82 * copyright from berkeley's isa.h which is now dev/isa/isareg.h.
83 */
84
85/*
86 * Types provided to machine-independent ISA code.
87 */
88struct mipsco_isa_chipset {
89	struct evcnt		ic_intrcnt; /* Interrupt counter */
90	bus_space_tag_t		ic_bst; /* bus_space tag */
91	bus_space_handle_t	ic_bsh; /* interrupt control register */
92	LIST_HEAD(,mipsco_intrhand)
93		intr_q;
94};
95
96typedef struct mipsco_isa_chipset *isa_chipset_tag_t;
97
98struct isabus_attach_args;	/* XXX */
99
100/*
101 * Functions provided to machine-independent ISA code.
102 */
103void	isa_attach_hook(device_t, device_t,
104	    struct isabus_attach_args *);
105void	isa_detach_hook(isa_chipset_tag_t, device_t);
106int	isa_intr_alloc(isa_chipset_tag_t, int, int, int *);
107const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq);
108void	*isa_intr_establish(isa_chipset_tag_t ic, int irq, int type,
109	    int level, int (*ih_fun)(void *), void *ih_arg);
110void	*isa_intr_establish_xname(isa_chipset_tag_t ic, int irq, int type,
111	    int level, int (*ih_fun)(void *), void *ih_arg, const char *xname);
112void	isa_intr_disestablish(isa_chipset_tag_t ic, void *handler);
113int	isa_mem_alloc(bus_space_tag_t, bus_size_t, bus_size_t,
114	    bus_addr_t, int, bus_addr_t *, bus_space_handle_t *);
115void	isa_mem_free(bus_space_tag_t, bus_space_handle_t, bus_size_t);
116
117#define	isa_dmainit(ic, bst, dmat, d)					\
118	_isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
119#define	isa_dmadestroy(ic)						\
120	_isa_dmadestroy(&(ic)->ic_dmastate)
121#define	isa_dmacascade(ic, c)						\
122	_isa_dmacascade(&(ic)->ic_dmastate, (c))
123#define	isa_dmamaxsize(ic, c)						\
124	_isa_dmamaxsize(&(ic)->ic_dmastate, (c))
125#define	isa_dmamap_create(ic, c, s, f)					\
126	_isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
127#define	isa_dmamap_destroy(ic, c)					\
128	_isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
129#define	isa_dmastart(ic, c, a, n, p, f, bf)				\
130	_isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
131#define	isa_dmaabort(ic, c)						\
132	_isa_dmaabort(&(ic)->ic_dmastate, (c))
133#define	isa_dmacount(ic, c)						\
134	_isa_dmacount(&(ic)->ic_dmastate, (c))
135#define	isa_dmafinished(ic, c)						\
136	_isa_dmafinished(&(ic)->ic_dmastate, (c))
137#define	isa_dmadone(ic, c)						\
138	_isa_dmadone(&(ic)->ic_dmastate, (c))
139#define	isa_dmafreeze(ic)						\
140	_isa_dmafreeze(&(ic)->ic_dmastate)
141#define	isa_dmathaw(ic)							\
142	_isa_dmathaw(&(ic)->ic_dmastate)
143#define	isa_dmamem_alloc(ic, c, s, ap, f)				\
144	_isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
145#define	isa_dmamem_free(ic, c, a, s)					\
146	_isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
147#define	isa_dmamem_map(ic, c, a, s, kp, f)				\
148	_isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
149#define	isa_dmamem_unmap(ic, c, k, s)					\
150	_isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
151#define	isa_dmamem_mmap(ic, c, a, s, o, p, f)				\
152	_isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
153#define isa_drq_alloc(ic, c)						\
154	_isa_drq_alloc(&(ic)->ic_dmastate, c)
155#define isa_drq_free(ic, c)						\
156	_isa_drq_free(&(ic)->ic_dmastate, c)
157#define	isa_drq_isfree(ic, c)						\
158	_isa_drq_isfree(&(ic)->ic_dmastate, (c))
159#define	isa_malloc(ic, c, s, p, f)					\
160	_isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
161#define	isa_free(a, p)							\
162	_isa_free((a), (p))
163#define	isa_mappage(m, o, p)						\
164	_isa_mappage((m), (o), (p))
165
166#endif /* _ISA_MACHDEP_H_ XXX */
167