Annotation of sys/dev/sbus/sbusvar.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: sbusvar.h,v 1.12 2007/05/31 17:23:14 sobrado Exp $ */
2: /* $NetBSD: sbusvar.h,v 1.11 2000/11/01 06:18:45 eeh Exp $ */
3:
4: /*-
5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Paul Kranenburg.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: #ifndef _SBUS_VAR_H
41: #define _SBUS_VAR_H
42:
43: struct sbus_softc;
44:
45: /*
46: * S-bus variables.
47: */
48:
49: /* Device register space description */
50: struct sbus_reg {
51: u_int32_t sbr_slot;
52: u_int32_t sbr_offset;
53: u_int32_t sbr_size;
54: };
55:
56: /* Interrupt information */
57: struct sbus_intr {
58: u_int32_t sbi_pri; /* priority (IPL) */
59: u_int32_t sbi_vec; /* vector (always 0?) */
60: };
61:
62: /* Address translation across busses */
63: struct sbus_range {
64: u_int32_t cspace; /* Client space */
65: u_int32_t coffset; /* Client offset */
66: u_int32_t pspace; /* Parent space */
67: u_int32_t poffset; /* Parent offset */
68: u_int32_t size; /* Size in bytes of this range */
69: };
70:
71: /*
72: * SBus driver attach arguments.
73: */
74: struct sbus_attach_args {
75: int sa_placeholder; /* for obio attach args sharing */
76: bus_space_tag_t sa_bustag;
77: bus_dma_tag_t sa_dmatag;
78: char *sa_name; /* PROM node name */
79: int sa_node; /* PROM handle */
80: struct sbus_reg *sa_reg; /* SBus register space for device */
81: int sa_nreg; /* Number of SBus register spaces */
82: #define sa_slot sa_reg[0].sbr_slot
83: #define sa_offset sa_reg[0].sbr_offset
84: #define sa_size sa_reg[0].sbr_size
85:
86: struct sbus_intr *sa_intr; /* SBus interrupts for device */
87: int sa_nintr; /* Number of interrupts */
88: #define sa_pri sa_intr[0].sbi_pri
89:
90: u_int32_t *sa_promvaddrs;/* PROM-supplied virtual addresses -- 32-bit */
91: int sa_npromvaddrs; /* Number of PROM VAs */
92: #define sa_promvaddr sa_promvaddrs[0]
93: int sa_frequency; /* SBus clockrate */
94: };
95:
96: int sbus_print(void *, const char *);
97:
98: int sbus_setup_attach_args(
99: struct sbus_softc *,
100: bus_space_tag_t,
101: bus_dma_tag_t,
102: int, /*node*/
103: struct sbus_attach_args *);
104:
105: void sbus_destroy_attach_args(struct sbus_attach_args *);
106:
107: #define sbus_bus_map(t, slot, offset, sz, flags, unused, hp) \
108: bus_space_map(t, BUS_ADDR(slot, offset), sz, flags, hp)
109:
110: #if notyet
111: /* variables per SBus */
112: struct sbus_softc {
113: struct device sc_dev; /* base device */
114: bus_space_tag_t sc_bustag;
115: bus_dma_tag_t sc_dmatag;
116: int sc_clockfreq; /* clock frequency (in Hz) */
117: struct sbus_range *sc_range;
118: int sc_nrange;
119: int sc_burst; /* burst transfer sizes supported */
120: /* machdep stuff follows here */
121: int *sc_intr2ipl; /* Interrupt level translation */
122: int *sc_intr_compat; /* `intr' property to sbus compat */
123: };
124: #endif
125:
126:
127: /*
128: * PROM-reported DMA burst sizes for the SBus
129: */
130: #define SBUS_BURST_1 0x1
131: #define SBUS_BURST_2 0x2
132: #define SBUS_BURST_4 0x4
133: #define SBUS_BURST_8 0x8
134: #define SBUS_BURST_16 0x10
135: #define SBUS_BURST_32 0x20
136: #define SBUS_BURST_64 0x40
137:
138: /* We use #defined(SUN4*) here while the ports are in flux */
139: #if defined(__sparc__) && !defined(__sparc64__)
140: #include <sparc/dev/sbusvar.h>
141: #define INTLEV(x) (x)
142: #elif defined(__sparc64__)
143: #include <sparc64/dev/sbusvar.h>
144: #include <sparc64/dev/iommureg.h>
145: #endif
146:
147: #endif /* _SBUS_VAR_H */
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to sbusvar.h CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / dev / sbus