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DEFINITIONS
This source file includes following definitions.
- do_lamebus_mask_interrupt
- do_lamebus_unmask_interrupt
- attach_lser_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/lser.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 /*
42 * wrappers to satisfy the type system
43 */
44 static
45 void
46 do_lamebus_mask_interrupt(void *bus, uint32_t buspos)
47 {
48 struct lamebus_softc *lb = bus;
49 lamebus_mask_interrupt(lb, buspos);
50 }
51
52 static
53 void
54 do_lamebus_unmask_interrupt(void *bus, uint32_t buspos)
55 {
56 struct lamebus_softc *lb = bus;
57 lamebus_unmask_interrupt(lb, buspos);
58 }
59
60 /*
61 * attachment function
62 */
63 struct lser_softc *
64 attach_lser_to_lamebus(int lserno, struct lamebus_softc *sc)
65 {
66 struct lser_softc *ls;
67 int slot = lamebus_probe(sc, LB_VENDOR_CS161, LBCS161_SERIAL,
68 LOW_VERSION, HIGH_VERSION);
69 if (slot < 0) {
70 return NULL;
71 }
72
73 ls = kmalloc(sizeof(struct lser_softc));
74 if (ls==NULL) {
75 return NULL;
76 }
77
78 (void)lserno; // unused
79
80 ls->ls_busdata = sc;
81 ls->ls_buspos = slot;
82 ls->ls_maskinterrupt = do_lamebus_mask_interrupt;
83 ls->ls_unmaskinterrupt = do_lamebus_unmask_interrupt;
84
85 lamebus_mark(sc, slot);
86 lamebus_attach_interrupt(sc, slot, ls, lser_irq);
87
88 return ls;
89 }