isa_machdep.h revision 1.1 1 /* $NetBSD: isa_machdep.h,v 1.1 2002/03/18 03:08:09 simonb Exp $ */
2
3 /*-
4 * Copyright (c) 2000, 2001 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 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Copyright (c) 1996 Carnegie-Mellon University.
41 * All rights reserved.
42 *
43 * Author: Chris G. Demetriou
44 *
45 * Permission to use, copy, modify and distribute this software and
46 * its documentation is hereby granted, provided that both the copyright
47 * notice and this permission notice appear in all copies of the
48 * software, derivative works or modified versions, and any portions
49 * thereof, and that both notices appear in supporting documentation.
50 *
51 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
52 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
53 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
54 *
55 * Carnegie Mellon requests users of this software to return to
56 *
57 * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU
58 * School of Computer Science
59 * Carnegie Mellon University
60 * Pittsburgh PA 15213-3890
61 *
62 * any improvements or extensions that they make and grant Carnegie the
63 * rights to redistribute these changes.
64 */
65
66 #include <dev/isa/isadmavar.h>
67
68 /*
69 * Types provided to machine-independent ISA code.
70 */
71 typedef struct mips_isa_chipset *isa_chipset_tag_t;
72
73 struct mips_isa_chipset {
74 void *ic_v;
75
76 struct isa_dma_state ic_dmastate;
77
78 void (*ic_attach_hook)(struct device *, struct device *,
79 struct isabus_attach_args *);
80 const struct evcnt *(*ic_intr_evcnt)(void *, int);
81 void *(*ic_intr_establish)(void *, int, int, int,
82 int (*)(void *), void *);
83 void (*ic_intr_disestablish)(void *, void *);
84 int (*ic_intr_alloc)(void *, int, int, int *);
85
86 const char *(*ic_intr_string)(void *, int);
87 };
88
89
90 /*
91 * Functions provided to machine-independent ISA code.
92 */
93 #define isa_attach_hook(p, s, a) \
94 (*(a)->iba_ic->ic_attach_hook)((p), (s), (a))
95 #define isa_intr_evcnt(c, i) \
96 (*(c)->ic_intr_evcnt)((c)->ic_v, (i))
97 #define isa_intr_establish(c, i, t, l, f, a) \
98 (*(c)->ic_intr_establish)((c)->ic_v, (i), (t), (l), (f), (a))
99 #define isa_intr_disestablish(c, h) \
100 (*(c)->ic_intr_disestablish)((c)->ic_v, (h))
101 #define isa_intr_alloc(c, m, t, i) \
102 (*(c)->ic_intr_alloc)((c)->ic_v, (m), (t), (i))
103
104 #define isa_dmainit(ic, bst, dmat, d) \
105 _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
106 #define isa_dmacascade(ic, c) \
107 _isa_dmacascade(&(ic)->ic_dmastate, (c))
108 #define isa_dmamaxsize(ic, c) \
109 _isa_dmamaxsize(&(ic)->ic_dmastate, (c))
110 #define isa_dmamap_create(ic, c, s, f) \
111 _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
112 #define isa_dmamap_destroy(ic, c) \
113 _isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
114 #define isa_dmastart(ic, c, a, n, p, f, bf) \
115 _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
116 #define isa_dmaabort(ic, c) \
117 _isa_dmaabort(&(ic)->ic_dmastate, (c))
118 #define isa_dmacount(ic, c) \
119 _isa_dmacount(&(ic)->ic_dmastate, (c))
120 #define isa_dmafinished(ic, c) \
121 _isa_dmafinished(&(ic)->ic_dmastate, (c))
122 #define isa_dmadone(ic, c) \
123 _isa_dmadone(&(ic)->ic_dmastate, (c))
124 #define isa_dmafreeze(ic) \
125 _isa_dmafreeze(&(ic)->ic_dmastate)
126 #define isa_dmathaw(ic) \
127 _isa_dmathaw(&(ic)->ic_dmastate)
128 #define isa_dmamem_alloc(ic, c, s, ap, f) \
129 _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
130 #define isa_dmamem_free(ic, c, a, s) \
131 _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
132 #define isa_dmamem_map(ic, c, a, s, kp, f) \
133 _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
134 #define isa_dmamem_unmap(ic, c, k, s) \
135 _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
136 #define isa_dmamem_mmap(ic, c, a, s, o, p, f) \
137 _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
138 #define isa_drq_isfree(ic, c) \
139 _isa_drq_isfree(&(ic)->ic_dmastate, (c))
140 #define isa_malloc(ic, c, s, p, f) \
141 _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
142 #define isa_free(a, p) \
143 _isa_free((a), (p))
144 #define isa_mappage(m, o, p) \
145 _isa_mappage((m), (o), (p))
146
147 /*
148 * mips-specific ISA functions.
149 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
150 */
151 #define isa_intr_string(c, i) \
152 (*(c)->ic_intr_string)((c)->ic_v, (i))
153
154 #ifdef _MIPS_BUS_DMA_PRIVATE
155 int isadma_bounce_dmamap_create(bus_dma_tag_t, bus_size_t, int,
156 bus_size_t, bus_size_t, int, bus_dmamap_t *);
157 void isadma_bounce_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
158 int isadma_bounce_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *,
159 bus_size_t, struct proc *, int);
160 int isadma_bounce_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
161 struct mbuf *, int);
162 int isadma_bounce_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
163 struct uio *, int);
164 int isadma_bounce_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
165 bus_dma_segment_t *, int, bus_size_t, int);
166 void isadma_bounce_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
167 void isadma_bounce_dmamap_sync(bus_dma_tag_t, bus_dmamap_t,
168 bus_addr_t, bus_size_t, int);
169
170 int isadma_bounce_dmamem_alloc(bus_dma_tag_t, bus_size_t, bus_size_t,
171 bus_size_t, bus_dma_segment_t *, int, int *, int);
172 #endif /* _MIPS_BUS_DMA_PRIVATE */
173