isa_machdep.h revision 1.8.108.1 1 /* $NetBSD: isa_machdep.h,v 1.8.108.1 2008/05/16 02:21:45 yamt Exp $ */
2
3 /*-
4 * Copyright (c) 2000 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.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*
33 * Copyright (c) 1996 Carnegie-Mellon University.
34 * All rights reserved.
35 *
36 * Author: Chris G. Demetriou
37 *
38 * Permission to use, copy, modify and distribute this software and
39 * its documentation is hereby granted, provided that both the copyright
40 * notice and this permission notice appear in all copies of the
41 * software, derivative works or modified versions, and any portions
42 * thereof, and that both notices appear in supporting documentation.
43 *
44 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
45 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
46 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
47 *
48 * Carnegie Mellon requests users of this software to return to
49 *
50 * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU
51 * School of Computer Science
52 * Carnegie Mellon University
53 * Pittsburgh PA 15213-3890
54 *
55 * any improvements or extensions that they make and grant Carnegie the
56 * rights to redistribute these changes.
57 */
58
59 #include <dev/isa/isadmavar.h>
60
61 /*
62 * Types provided to machine-independent ISA code.
63 */
64 typedef struct alpha_isa_chipset *isa_chipset_tag_t;
65
66 struct alpha_isa_chipset {
67 void *ic_v;
68
69 struct isa_dma_state ic_dmastate;
70
71 void (*ic_attach_hook)(struct device *, struct device *,
72 struct isabus_attach_args *);
73 const struct evcnt *(*ic_intr_evcnt)(void *, int);
74 void *(*ic_intr_establish)(void *, int, int, int,
75 int (*)(void *), void *);
76 void (*ic_intr_disestablish)(void *, void *);
77 int (*ic_intr_alloc)(void *, int, int, int *);
78 };
79
80
81 /*
82 * Functions provided to machine-independent ISA code.
83 */
84 #define isa_attach_hook(p, s, a) \
85 (*(a)->iba_ic->ic_attach_hook)((p), (s), (a))
86 #define isa_intr_evcnt(c, i) \
87 (*(c)->ic_intr_evcnt)((c)->ic_v, (i))
88 #define isa_intr_establish(c, i, t, l, f, a) \
89 (*(c)->ic_intr_establish)((c)->ic_v, (i), (t), (l), (f), (a))
90 #define isa_intr_disestablish(c, h) \
91 (*(c)->ic_intr_disestablish)((c)->ic_v, (h))
92 #define isa_intr_alloc(c, m, t, i) \
93 (*(c)->ic_intr_alloc)((c)->ic_v, (m), (t), (i))
94
95 #define isa_dmainit(ic, bst, dmat, d) \
96 _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
97 #define isa_dmacascade(ic, c) \
98 _isa_dmacascade(&(ic)->ic_dmastate, (c))
99 #define isa_dmamaxsize(ic, c) \
100 _isa_dmamaxsize(&(ic)->ic_dmastate, (c))
101 #define isa_dmamap_create(ic, c, s, f) \
102 _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
103 #define isa_dmamap_destroy(ic, c) \
104 _isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
105 #define isa_dmastart(ic, c, a, n, p, f, bf) \
106 _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
107 #define isa_dmaabort(ic, c) \
108 _isa_dmaabort(&(ic)->ic_dmastate, (c))
109 #define isa_dmacount(ic, c) \
110 _isa_dmacount(&(ic)->ic_dmastate, (c))
111 #define isa_dmafinished(ic, c) \
112 _isa_dmafinished(&(ic)->ic_dmastate, (c))
113 #define isa_dmadone(ic, c) \
114 _isa_dmadone(&(ic)->ic_dmastate, (c))
115 #define isa_dmafreeze(ic) \
116 _isa_dmafreeze(&(ic)->ic_dmastate)
117 #define isa_dmathaw(ic) \
118 _isa_dmathaw(&(ic)->ic_dmastate)
119 #define isa_dmamem_alloc(ic, c, s, ap, f) \
120 _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
121 #define isa_dmamem_free(ic, c, a, s) \
122 _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
123 #define isa_dmamem_map(ic, c, a, s, kp, f) \
124 _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
125 #define isa_dmamem_unmap(ic, c, k, s) \
126 _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
127 #define isa_dmamem_mmap(ic, c, a, s, o, p, f) \
128 _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
129 #define isa_drq_alloc(ic, c) \
130 _isa_drq_alloc(&(ic)->ic_dmastate, c)
131 #define isa_drq_free(ic, c) \
132 _isa_drq_free(&(ic)->ic_dmastate, c)
133 #define isa_drq_isfree(ic, c) \
134 _isa_drq_isfree(&(ic)->ic_dmastate, (c))
135 #define isa_malloc(ic, c, s, p, f) \
136 _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
137 #define isa_free(a, p) \
138 _isa_free((a), (p))
139 #define isa_mappage(m, o, p) \
140 _isa_mappage((m), (o), (p))
141
142 /*
143 * alpha-specific ISA functions.
144 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
145 */
146 int isa_display_console(bus_space_tag_t, bus_space_tag_t);
147 void isabeep(int, int);
148
149 #ifdef _ALPHA_BUS_DMA_PRIVATE
150 int isadma_bounce_dmamap_create(bus_dma_tag_t, bus_size_t, int,
151 bus_size_t, bus_size_t, int, bus_dmamap_t *);
152 void isadma_bounce_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
153 int isadma_bounce_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *,
154 bus_size_t, struct proc *, int);
155 int isadma_bounce_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
156 struct mbuf *, int);
157 int isadma_bounce_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
158 struct uio *, int);
159 int isadma_bounce_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
160 bus_dma_segment_t *, int, bus_size_t, int);
161 void isadma_bounce_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
162 void isadma_bounce_dmamap_sync(bus_dma_tag_t, bus_dmamap_t,
163 bus_addr_t, bus_size_t, int);
164
165 int isadma_bounce_dmamem_alloc(bus_dma_tag_t, bus_size_t, bus_size_t,
166 bus_size_t, bus_dma_segment_t *, int, int *, int);
167 #endif /* _ALPHA_BUS_DMA_PRIVATE */
168