ebusvar.h revision 1.2.4.1 1 /* $NetBSD: ebusvar.h,v 1.2.4.1 2000/11/20 20:26:43 bouyer Exp $ */
2
3 /*
4 * Copyright (c) 1999, 2000 Matthew R. Green
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #ifndef _SPARC64_DEV_EBUSVAR_H_
32 #define _SPARC64_DEV_EBUSVAR_H_
33
34 /*
35 * ebus arguments; ebus attaches to a pci, and devices attach
36 * to the ebus.
37 */
38
39 struct ebus_attach_args {
40 char *ea_name; /* PROM name */
41 int ea_node; /* PROM node */
42
43 bus_space_tag_t ea_bustag;
44 bus_dma_tag_t ea_dmatag;
45
46 struct ebus_regs *ea_regs; /* registers */
47 u_int32_t *ea_vaddrs; /* virtual addrs */
48 u_int32_t *ea_intrs; /* interrupts */
49
50 int ea_nregs; /* number of them */
51 int ea_nvaddrs;
52 int ea_nintrs;
53 };
54
55 struct ebus_softc {
56 struct device sc_dev;
57 struct psycho_softc *sc_parent; /* for iommu */
58
59 int sc_node;
60
61 bus_space_tag_t sc_bustag; /* from mum */
62 bus_space_tag_t sc_childbustag; /* pass to children */
63 bus_dma_tag_t sc_dmatag; /* XXX */
64
65 struct ebus_ranges *sc_range;
66 struct ebus_interrupt_map *sc_intmap;
67 struct ebus_interrupt_map_mask sc_intmapmask;
68
69 int sc_nrange; /* counters */
70 int sc_nintmap;
71 };
72
73 bus_dma_tag_t ebus_alloc_dma_tag __P((struct ebus_softc *, bus_dma_tag_t));
74 bus_space_tag_t ebus_alloc_bus_tag __P((struct ebus_softc *, int));
75
76 #define ebus_bus_map(t, bt, a, s, f, v, hp) \
77 bus_space_map2(t, bt, a, s, f, v, hp)
78
79 #endif /* _SPARC64_DEV_EBUSVAR_H_ */
80