Annotation of sys/arch/mvmeppc/isa/isa_machdep.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: isa_machdep.c,v 1.6 2003/06/02 23:27:53 millert Exp $ */
2: /* $NetBSD: isa_machdep.c,v 1.22 1997/06/12 23:57:32 thorpej Exp $ */
3:
4: #define ISA_DMA_STATS
5:
6: /*-
7: * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
8: * All rights reserved.
9: *
10: * This code is derived from software contributed to The NetBSD Foundation
11: * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
12: * NASA Ames Research Center.
13: *
14: * Redistribution and use in source and binary forms, with or without
15: * modification, are permitted provided that the following conditions
16: * are met:
17: * 1. Redistributions of source code must retain the above copyright
18: * notice, this list of conditions and the following disclaimer.
19: * 2. Redistributions in binary form must reproduce the above copyright
20: * notice, this list of conditions and the following disclaimer in the
21: * documentation and/or other materials provided with the distribution.
22: * 3. All advertising materials mentioning features or use of this software
23: * must display the following acknowledgement:
24: * This product includes software developed by the NetBSD
25: * Foundation, Inc. and its contributors.
26: * 4. Neither the name of The NetBSD Foundation nor the names of its
27: * contributors may be used to endorse or promote products derived
28: * from this software without specific prior written permission.
29: *
30: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
31: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
32: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
33: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
34: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
35: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
36: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
37: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
38: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
39: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
40: * POSSIBILITY OF SUCH DAMAGE.
41: */
42:
43: /*-
44: * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
45: * All rights reserved.
46: *
47: * This code is derived from software contributed to The NetBSD Foundation
48: * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
49: * NASA Ames Research Center.
50: *
51: * Redistribution and use in source and binary forms, with or without
52: * modification, are permitted provided that the following conditions
53: * are met:
54: * 1. Redistributions of source code must retain the above copyright
55: * notice, this list of conditions and the following disclaimer.
56: * 2. Redistributions in binary form must reproduce the above copyright
57: * notice, this list of conditions and the following disclaimer in the
58: * documentation and/or other materials provided with the distribution.
59: * 3. All advertising materials mentioning features or use of this software
60: * must display the following acknowledgement:
61: * This product includes software developed by the NetBSD
62: * Foundation, Inc. and its contributors.
63: * 4. Neither the name of The NetBSD Foundation nor the names of its
64: * contributors may be used to endorse or promote products derived
65: * from this software without specific prior written permission.
66: *
67: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
68: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
69: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
70: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
71: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
72: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
73: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
74: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
75: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
76: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
77: * POSSIBILITY OF SUCH DAMAGE.
78: */
79:
80: /*-
81: * Copyright (c) 1993, 1994, 1996, 1997
82: * Charles M. Hannum. All rights reserved.
83: * Copyright (c) 1991 The Regents of the University of California.
84: * All rights reserved.
85: *
86: * This code is derived from software contributed to Berkeley by
87: * William Jolitz.
88: *
89: * Redistribution and use in source and binary forms, with or without
90: * modification, are permitted provided that the following conditions
91: * are met:
92: * 1. Redistributions of source code must retain the above copyright
93: * notice, this list of conditions and the following disclaimer.
94: * 2. Redistributions in binary form must reproduce the above copyright
95: * notice, this list of conditions and the following disclaimer in the
96: * documentation and/or other materials provided with the distribution.
97: * 3. Neither the name of the University nor the names of its contributors
98: * may be used to endorse or promote products derived from this software
99: * without specific prior written permission.
100: *
101: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
102: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
103: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
104: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
105: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
106: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
107: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
108: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
109: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
110: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
111: * SUCH DAMAGE.
112: *
113: * @(#)isa.c 7.2 (Berkeley) 5/13/91
114: */
115:
116: #include <sys/param.h>
117: #include <sys/systm.h>
118: #include <sys/syslog.h>
119: #include <sys/device.h>
120: #include <sys/malloc.h>
121: #include <sys/proc.h>
122:
123: #include <uvm/uvm_extern.h>
124:
125: #include <machine/bus.h>
126:
127: #include <machine/pio.h>
128:
129: #include <dev/isa/isareg.h>
130: #include <dev/isa/isavar.h>
131: #include <dev/isa/isadmavar.h>
132: #include <mvmeppc/isa/isa_machdep.h>
133:
134: void *i8259_intr_establish( void * lcv, int irq, int type, int level,
135: int (*ih_fun)(void *), void *ih_arg, char *name);
136: void openpic_intr_disestablish(void *, void *);
137:
138: int isa_has_been_seen = 0;
139:
140: /*
141: * Set up an interrupt handler to start being called.
142: * XXX PRONE TO RACE CONDITIONS, UGLY, 'INTERESTING' INSERTION ALGORITHM.
143: */
144: void *
145: isa_intr_establish(ic, irq, type, level, ih_fun, ih_arg, ih_what)
146: isa_chipset_tag_t ic;
147: int irq;
148: int type;
149: int level;
150: int (*ih_fun)(void *);
151: void *ih_arg;
152: char *ih_what;
153: {
154: return(i8259_intr_establish(ic, irq, type, level, ih_fun, ih_arg, ih_what));
155: }
156:
157: /*
158: * Deregister an interrupt handler.
159: */
160: void
161: isa_intr_disestablish(ic, arg)
162: isa_chipset_tag_t ic;
163: void *arg;
164: {
165: openpic_intr_disestablish(ic, arg);
166: }
167:
168: void
169: isa_attach_hook(parent, self, iba)
170: struct device *parent, *self;
171: struct isabus_attach_args *iba;
172: {
173:
174: /*
175: * Notify others that might need to know that the ISA bus
176: * has now been attached.
177: */
178: if (isa_has_been_seen)
179: panic("isaattach: ISA bus already seen!");
180: isa_has_been_seen = 1;
181: }
182:
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