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
88void
89bmccnprobe(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
108void
109bmccninit(struct consdev *cp)
110{
111	sioinit();
112	bmdinit();
113	draw_logo();
114}
115
116int
117bmccngetc(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
139void
140bmccnputc(dev_t dev, int c)
141{
142	bmdputc(c);
143}
144