isa_machdep.h revision 1.5
1/*	$NetBSD: isa_machdep.h,v 1.5 2008/04/28 20:23:10 martin 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 *
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@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 */
64typedef struct algor_isa_chipset *isa_chipset_tag_t;
65
66struct algor_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 * algor-specific ISA functions.
144 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
145 */
146int	isa_display_console(bus_space_tag_t, bus_space_tag_t);
147void	isabeep(int, int);
148
149#ifdef _ALGOR_BUS_DMA_PRIVATE
150int	isadma_bounce_dmamap_create(bus_dma_tag_t, bus_size_t, int,
151	    bus_size_t, bus_size_t, int, bus_dmamap_t *);
152void	isadma_bounce_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
153int	isadma_bounce_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *,
154	    bus_size_t, struct proc *, int);
155int	isadma_bounce_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
156	    struct mbuf *, int);
157int	isadma_bounce_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
158	    struct uio *, int);
159int	isadma_bounce_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
160	    bus_dma_segment_t *, int, bus_size_t, int);
161void	isadma_bounce_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
162void	isadma_bounce_dmamap_sync(bus_dma_tag_t, bus_dmamap_t,
163	    bus_addr_t, bus_size_t, int);
164
165int	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 /* _ALGOR_BUS_DMA_PRIVATE */
168