xref: /netbsd-src/sys/arch/algor/include/isa_machdep.h (revision 274254cdae52594c1aa480a736aef78313d15c9c)
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  */
64 typedef struct algor_isa_chipset *isa_chipset_tag_t;
65 
66 struct 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  */
146 int	isa_display_console(bus_space_tag_t, bus_space_tag_t);
147 void	isabeep(int, int);
148 
149 #ifdef _ALGOR_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 /* _ALGOR_BUS_DMA_PRIVATE */
168