sbusvar.h revision 1.27 1 1.27 tsutsui /* $NetBSD: sbusvar.h,v 1.27 2009/09/17 16:28:12 tsutsui Exp $ */
2 1.1 pk
3 1.1 pk /*-
4 1.1 pk * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 1.1 pk * All rights reserved.
6 1.1 pk *
7 1.1 pk * This code is derived from software contributed to The NetBSD Foundation
8 1.1 pk * by Paul Kranenburg.
9 1.1 pk *
10 1.1 pk * Redistribution and use in source and binary forms, with or without
11 1.1 pk * modification, are permitted provided that the following conditions
12 1.1 pk * are met:
13 1.1 pk * 1. Redistributions of source code must retain the above copyright
14 1.1 pk * notice, this list of conditions and the following disclaimer.
15 1.1 pk * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 pk * notice, this list of conditions and the following disclaimer in the
17 1.1 pk * documentation and/or other materials provided with the distribution.
18 1.1 pk *
19 1.1 pk * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.1 pk * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.1 pk * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.1 pk * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.1 pk * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.1 pk * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.1 pk * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.1 pk * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.1 pk * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.1 pk * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.1 pk * POSSIBILITY OF SUCH DAMAGE.
30 1.1 pk */
31 1.1 pk
32 1.2 pk #ifndef _SBUS_VAR_H
33 1.2 pk #define _SBUS_VAR_H
34 1.13 darrenr
35 1.13 darrenr #if defined(_KERNEL_OPT) && (defined(__sparc__) || defined(__sparc64__))
36 1.13 darrenr #include "opt_sparc_arch.h"
37 1.13 darrenr #endif
38 1.2 pk
39 1.18 thorpej #include <machine/bsd_openprom.h>
40 1.18 thorpej
41 1.2 pk struct sbus_softc;
42 1.2 pk
43 1.14 pk typedef u_int32_t sbus_slot_t;
44 1.14 pk typedef u_int32_t sbus_offset_t;
45 1.2 pk
46 1.2 pk /*
47 1.2 pk * Sbus driver attach arguments.
48 1.2 pk */
49 1.2 pk struct sbus_attach_args {
50 1.2 pk int sa_placeholder; /* for obio attach args sharing */
51 1.2 pk bus_space_tag_t sa_bustag;
52 1.2 pk bus_dma_tag_t sa_dmatag;
53 1.2 pk char *sa_name; /* PROM node name */
54 1.2 pk int sa_node; /* PROM handle */
55 1.18 thorpej struct openprom_addr *sa_reg; /* Sbus register space for device */
56 1.2 pk int sa_nreg; /* Number of Sbus register spaces */
57 1.18 thorpej #define sa_slot sa_reg[0].oa_space
58 1.18 thorpej #define sa_offset sa_reg[0].oa_base
59 1.18 thorpej #define sa_size sa_reg[0].oa_size
60 1.2 pk
61 1.18 thorpej struct openprom_intr *sa_intr; /* Sbus interrupts for device */
62 1.2 pk int sa_nintr; /* Number of interrupts */
63 1.18 thorpej #define sa_pri sa_intr[0].oi_pri
64 1.2 pk
65 1.7 eeh u_int32_t *sa_promvaddrs;/* PROM-supplied virtual addresses -- 32-bit */
66 1.2 pk int sa_npromvaddrs; /* Number of PROM VAs */
67 1.9 eeh #define sa_promvaddr sa_promvaddrs[0]
68 1.11 eeh int sa_frequency; /* SBus clockrate */
69 1.2 pk };
70 1.2 pk
71 1.6 eeh /* sbus_attach_internal() is also used from obio.c */
72 1.23 tsutsui void sbus_attach_common(struct sbus_softc *, const char *, int,
73 1.21 perry const char * const *);
74 1.21 perry int sbus_print(void *, const char *);
75 1.2 pk
76 1.21 perry int sbus_setup_attach_args(
77 1.2 pk struct sbus_softc *,
78 1.2 pk bus_space_tag_t,
79 1.2 pk bus_dma_tag_t,
80 1.2 pk int, /*node*/
81 1.21 perry struct sbus_attach_args *);
82 1.2 pk
83 1.21 perry void sbus_destroy_attach_args(struct sbus_attach_args *);
84 1.2 pk
85 1.14 pk #define sbus_bus_map(tag, slot, offset, sz, flags, hp) \
86 1.14 pk bus_space_map(tag, BUS_ADDR(slot,offset), sz, flags, hp)
87 1.21 perry bus_addr_t sbus_bus_addr(bus_space_tag_t, u_int, u_int);
88 1.22 perry void sbus_promaddr_to_handle(bus_space_tag_t, u_int,
89 1.21 perry bus_space_handle_t *);
90 1.2 pk
91 1.2 pk #if notyet
92 1.2 pk /* variables per Sbus */
93 1.2 pk struct sbus_softc {
94 1.26 macallan device_t sc_dev; /* base device */
95 1.2 pk bus_space_tag_t sc_bustag;
96 1.2 pk bus_dma_tag_t sc_dmatag;
97 1.2 pk int sc_clockfreq; /* clock frequency (in Hz) */
98 1.18 thorpej struct openprom_range *sc_range;
99 1.2 pk int sc_nrange;
100 1.2 pk int sc_burst; /* burst transfer sizes supported */
101 1.3 eeh /* machdep stuff follows here */
102 1.2 pk int *sc_intr2ipl; /* Interrupt level translation */
103 1.2 pk };
104 1.2 pk #endif
105 1.2 pk
106 1.1 pk
107 1.1 pk /*
108 1.1 pk * PROM-reported DMA burst sizes for the SBus
109 1.1 pk */
110 1.1 pk #define SBUS_BURST_1 0x1
111 1.1 pk #define SBUS_BURST_2 0x2
112 1.1 pk #define SBUS_BURST_4 0x4
113 1.1 pk #define SBUS_BURST_8 0x8
114 1.1 pk #define SBUS_BURST_16 0x10
115 1.1 pk #define SBUS_BURST_32 0x20
116 1.1 pk #define SBUS_BURST_64 0x40
117 1.5 pk
118 1.5 pk /* We use #defined(SUN4*) here while the ports are in flux */
119 1.20 pk #if defined(SUN4) || defined(SUN4C) || defined(SUN4M) || defined(SUN4D)
120 1.5 pk #include <sparc/dev/sbusvar.h>
121 1.5 pk #elif defined(SUN4U)
122 1.5 pk #include <sparc64/dev/sbusvar.h>
123 1.5 pk #endif
124 1.2 pk
125 1.2 pk #endif /* _SBUS_VAR_H */
126