xref: /netbsd/sys/arch/atari/include/isa_machdep.h (revision 6550d01e)
1 /*	$NetBSD: isa_machdep.h,v 1.15 2009/10/20 19:10:11 snj Exp $	*/
2 
3 /*-
4  * Copyright (c) 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) 1997 Leo Weppelman.  All rights reserved.
35  *
36  * Redistribution and use in source and binary forms, with or without
37  * modification, are permitted provided that the following conditions
38  * are met:
39  * 1. Redistributions of source code must retain the above copyright
40  *    notice, this list of conditions and the following disclaimer.
41  * 2. Redistributions in binary form must reproduce the above copyright
42  *    notice, this list of conditions and the following disclaimer in the
43  *    documentation and/or other materials provided with the distribution.
44  *
45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
46  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
47  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
48  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
49  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
50  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
51  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
52  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
53  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
54  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55  */
56 
57 #ifndef _ATARI_ISA_MACHDEP_H_
58 #define _ATARI_ISA_MACHDEP_H_
59 
60 #include <machine/bus.h>
61 #include <machine/intr.h>
62 #include <dev/isa/isadmavar.h>
63 
64 struct atari_isa_chipset {
65 	struct isa_dma_state ic_dmastate;
66 };
67 
68 typedef struct atari_isa_chipset *isa_chipset_tag_t;
69 
70 typedef struct	{
71 	int		slot;	/* 1/2, determines interrupt line	*/
72 	int		ipl;	/* ipl requested			*/
73 	int		(*ifunc)(void *);	/* function to call	*/
74 	void		*iarg;	/* argument for 'ifunc'			*/
75 	struct intrhand	*ihand;	/* save this for disestablishing	*/
76 } isa_intr_info_t;
77 
78 /*
79  * Functions provided to machine-independent ISA code.
80  */
81 void	isa_attach_hook(struct device *, struct device *,
82 	    struct isabus_attach_args *);
83 void	isa_detach_hook(isa_chipset_tag_t, device_t);
84 int	isa_intr_alloc(isa_chipset_tag_t, int, int, int *);
85 const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq);
86 void	*isa_intr_establish(isa_chipset_tag_t ic, int irq, int type,
87 	    int level, int (*)(void *), void *ih_arg);
88 void	isa_intr_disestablish(isa_chipset_tag_t ic, void *handler);
89 
90 #define	isa_dmainit(ic, bst, dmat, d)					\
91 	_isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
92 #define	isa_dmadestroy(ic)						\
93 	_isa_dmadestroy(&(ic)->ic_dmastate)
94 #define	isa_dmacascade(ic, c)						\
95 	_isa_dmacascade(&(ic)->ic_dmastate, (c))
96 #define	isa_dmamaxsize(ic, c)						\
97 	_isa_dmamaxsize(&(ic)->ic_dmastate, (c))
98 #define	isa_dmamap_create(ic, c, s, f)					\
99 	_isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
100 #define	isa_dmamap_destroy(ic, c)					\
101 	_isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
102 #define	isa_dmastart(ic, c, a, n, p, f, bf)				\
103 	_isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
104 #define	isa_dmaabort(ic, c)						\
105 	_isa_dmaabort(&(ic)->ic_dmastate, (c))
106 #define	isa_dmacount(ic, c)						\
107 	_isa_dmacount(&(ic)->ic_dmastate, (c))
108 #define	isa_dmafinished(ic, c)						\
109 	_isa_dmafinished(&(ic)->ic_dmastate, (c))
110 #define	isa_dmadone(ic, c)						\
111 	_isa_dmadone(&(ic)->ic_dmastate, (c))
112 #define	isa_dmafreeze(ic)						\
113 	_isa_dmafreeze(&(ic)->ic_dmastate)
114 #define	isa_dmathaw(ic)							\
115 	_isa_dmathaw(&(ic)->ic_dmastate)
116 #define	isa_dmamem_alloc(ic, c, s, ap, f)				\
117 	_isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
118 #define	isa_dmamem_free(ic, c, a, s)					\
119 	_isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
120 #define	isa_dmamem_map(ic, c, a, s, kp, f)				\
121 	_isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
122 #define	isa_dmamem_unmap(ic, c, k, s)					\
123 	_isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
124 #define	isa_dmamem_mmap(ic, c, a, s, o, p, f)				\
125 	_isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
126 #define isa_drq_alloc(ic, c)						\
127 	_isa_drq_alloc(&(ic)->ic_dmastate, c)
128 #define isa_drq_free(ic, c)						\
129 	_isa_drq_free(&(ic)->ic_dmastate, c)
130 #define	isa_drq_isfree(ic, c)						\
131 	_isa_drq_isfree(&(ic)->ic_dmastate, (c))
132 #define	isa_malloc(ic, c, s, p, f)					\
133 	_isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
134 #define	isa_free(a, p)							\
135 	_isa_free((a), (p))
136 #define	isa_mappage(m, o, p)						\
137 	_isa_mappage((m), (o), (p))
138 
139 #endif /* _ATARI_ISA_MACHDEP_H_ */
140