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DEFINITIONS
This source file includes following definitions.
- attach_lrandom_to_lamebus
1 /*
2 * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
3 * The President and Fellows of Harvard College.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include <types.h>
31 #include <lib.h>
32 #include <lamebus/lamebus.h>
33 #include <lamebus/lrandom.h>
34 #include "autoconf.h"
35
36 /* Lowest revision we support */
37 #define LOW_VERSION 1
38 /* Highest revision we support */
39 #define HIGH_VERSION 1
40
41 struct lrandom_softc *
42 attach_lrandom_to_lamebus(int lrandomno, struct lamebus_softc *sc)
43 {
44 struct lrandom_softc *lr;
45 int slot = lamebus_probe(sc, LB_VENDOR_CS161, LBCS161_RANDOM,
46 LOW_VERSION, HIGH_VERSION);
47 if (slot < 0) {
48 return NULL;
49 }
50
51 lr = kmalloc(sizeof(struct lrandom_softc));
52 if (lr==NULL) {
53 return NULL;
54 }
55
56 (void)lrandomno; // unused
57
58 lr->lr_bus = sc;
59 lr->lr_buspos = slot;
60
61 lamebus_mark(sc, slot);
62
63 return lr;
64 }