1 /* $OpenBSD: bmc.c,v 1.3 2023/02/15 12:43:32 aoyama Exp $ */
2 /* $NetBSD: bmc.c,v 1.4 2013/01/21 11:58:12 tsutsui Exp $ */
3
4 /*
5 * Copyright (c) 1992 OMRON Corporation.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * OMRON Corporation.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * @(#)bmc.c 8.1 (Berkeley) 6/10/93
39 */
40 /*
41 * Copyright (c) 1992, 1993
42 * The Regents of the University of California. All rights reserved.
43 *
44 * This code is derived from software contributed to Berkeley by
45 * OMRON Corporation.
46 *
47 * Redistribution and use in source and binary forms, with or without
48 * modification, are permitted provided that the following conditions
49 * are met:
50 * 1. Redistributions of source code must retain the above copyright
51 * notice, this list of conditions and the following disclaimer.
52 * 2. Redistributions in binary form must reproduce the above copyright
53 * notice, this list of conditions and the following disclaimer in the
54 * documentation and/or other materials provided with the distribution.
55 * 3. Neither the name of the University nor the names of its contributors
56 * may be used to endorse or promote products derived from this software
57 * without specific prior written permission.
58 *
59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69 * SUCH DAMAGE.
70 *
71 * @(#)bmc.c 8.1 (Berkeley) 6/10/93
72 */
73
74 /*
75 * bmc.c -- bitmap console driver
76 * by A.Fujita, JUL-06-1992
77 */
78
79 #include <sys/param.h>
80 #include <luna88k/stand/boot/samachdep.h>
81 #include <luna88k/stand/boot/rcvbuf.h>
82
83 /*
84 * Following are all routines needed for SIO to act as console
85 */
86 #include <dev/cons.h>
87
88 void
bmccnprobe(struct consdev * cp)89 bmccnprobe(struct consdev *cp)
90 {
91 /* serial console enabled? */
92 if ((dipswitch & 0x4000) == 0) {
93 cp->cn_pri = CN_DEAD;
94 return;
95 }
96
97 /* frame buffer missing? */
98 if (nplane == 0) {
99 cp->cn_pri = CN_DEAD;
100 return;
101 }
102
103 /* initialize required fields */
104 cp->cn_dev = 1;
105 cp->cn_pri = CN_LOWPRI;
106 }
107
108 void
bmccninit(struct consdev * cp)109 bmccninit(struct consdev *cp)
110 {
111 sioinit();
112 bmdinit();
113 draw_logo();
114 }
115
116 int
bmccngetc(dev_t dev)117 bmccngetc(dev_t dev)
118 {
119 int c, unit = 1, poll = (dev & 0x80) != 0;
120
121 siointr(unit);
122
123 if (poll) {
124 if (RBUF_EMPTY(unit))
125 return 0;
126 PEEK_RBUF(unit, c);
127 return c;
128 }
129
130 while (RBUF_EMPTY(unit)) {
131 DELAY(1);
132 siointr(unit);
133 }
134
135 POP_RBUF(unit, c);
136 return c;
137 }
138
139 void
bmccnputc(dev_t dev,int c)140 bmccnputc(dev_t dev, int c)
141 {
142 bmdputc(c);
143 }
144