1 /*        $NetBSD: isa_machdep.h,v 1.18 2016/10/18 22:04:33 jdolecek 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 <sys/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(device_t, device_t,
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_establish_xname(isa_chipset_tag_t ic, int irq, int type,
89               int level, int (*ih_fun)(void *), void *ih_arg, const char *xname);
90 void      isa_intr_disestablish(isa_chipset_tag_t ic, void *handler);
91 
92 #define   isa_dmainit(ic, bst, dmat, d)                                         \
93           _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
94 #define   isa_dmadestroy(ic)                                                    \
95           _isa_dmadestroy(&(ic)->ic_dmastate)
96 #define   isa_dmacascade(ic, c)                                                           \
97           _isa_dmacascade(&(ic)->ic_dmastate, (c))
98 #define   isa_dmamaxsize(ic, c)                                                           \
99           _isa_dmamaxsize(&(ic)->ic_dmastate, (c))
100 #define   isa_dmamap_create(ic, c, s, f)                                                  \
101           _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
102 #define   isa_dmamap_destroy(ic, c)                                             \
103           _isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
104 #define   isa_dmastart(ic, c, a, n, p, f, bf)                                   \
105           _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
106 #define   isa_dmaabort(ic, c)                                                   \
107           _isa_dmaabort(&(ic)->ic_dmastate, (c))
108 #define   isa_dmacount(ic, c)                                                   \
109           _isa_dmacount(&(ic)->ic_dmastate, (c))
110 #define   isa_dmafinished(ic, c)                                                          \
111           _isa_dmafinished(&(ic)->ic_dmastate, (c))
112 #define   isa_dmadone(ic, c)                                                    \
113           _isa_dmadone(&(ic)->ic_dmastate, (c))
114 #define   isa_dmafreeze(ic)                                                     \
115           _isa_dmafreeze(&(ic)->ic_dmastate)
116 #define   isa_dmathaw(ic)                                                                 \
117           _isa_dmathaw(&(ic)->ic_dmastate)
118 #define   isa_dmamem_alloc(ic, c, s, ap, f)                                     \
119           _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
120 #define   isa_dmamem_free(ic, c, a, s)                                          \
121           _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
122 #define   isa_dmamem_map(ic, c, a, s, kp, f)                                    \
123           _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
124 #define   isa_dmamem_unmap(ic, c, k, s)                                         \
125           _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
126 #define   isa_dmamem_mmap(ic, c, a, s, o, p, f)                                 \
127           _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
128 #define isa_drq_alloc(ic, c)                                                    \
129           _isa_drq_alloc(&(ic)->ic_dmastate, c)
130 #define isa_drq_free(ic, c)                                                     \
131           _isa_drq_free(&(ic)->ic_dmastate, c)
132 #define   isa_drq_isfree(ic, c)                                                           \
133           _isa_drq_isfree(&(ic)->ic_dmastate, (c))
134 #define   isa_malloc(ic, c, s, p, f)                                            \
135           _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
136 #define   isa_free(a, p)                                                                  \
137           _isa_free((a), (p))
138 #define   isa_mappage(m, o, p)                                                            \
139           _isa_mappage((m), (o), (p))
140 
141 #endif /* _ATARI_ISA_MACHDEP_H_ */
142