ite_compat.c revision 1.2.4.1 1 1.2.4.1 he /* $NetBSD: ite_compat.c,v 1.2.4.1 2001/02/03 17:54:06 he Exp $ */
2 1.2 scottr
3 1.2 scottr /*
4 1.2 scottr * Copyright (C) 2000 Scott Reynolds
5 1.2 scottr * All rights reserved.
6 1.2 scottr *
7 1.2 scottr * Redistribution and use in source and binary forms, with or without
8 1.2 scottr * modification, are permitted provided that the following conditions
9 1.2 scottr * are met:
10 1.2 scottr * 1. Redistributions of source code must retain the above copyright
11 1.2 scottr * notice, this list of conditions and the following disclaimer.
12 1.2 scottr * 2. Redistributions in binary form must reproduce the above copyright
13 1.2 scottr * notice, this list of conditions and the following disclaimer in the
14 1.2 scottr * documentation and/or other materials provided with the distribution.
15 1.2 scottr * 3. The name of the author may not be used to endorse or promote products
16 1.2 scottr * derived from this software without specific prior written permission.
17 1.2 scottr *
18 1.2 scottr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 1.2 scottr * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 1.2 scottr * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 1.2 scottr * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 1.2 scottr * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 1.2 scottr * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 1.2 scottr * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 1.2 scottr * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 1.2 scottr * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 1.2 scottr * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 1.2 scottr */
29 1.2 scottr
30 1.2 scottr /*
31 1.2 scottr * The main thing to realize about this emulator is that the old console
32 1.2 scottr * emulator was largely compatible with the DEC VT-220. Since the
33 1.2 scottr * wsdiplay driver has a more complete emulation of that terminal, it's
34 1.2 scottr * reasonable to pass virtually everything up to that driver without
35 1.2 scottr * modification.
36 1.2 scottr */
37 1.2 scottr
38 1.2 scottr #include "ite.h"
39 1.2 scottr #include "wsdisplay.h"
40 1.2 scottr
41 1.2 scottr #include <sys/param.h>
42 1.2 scottr #include <sys/systm.h>
43 1.2 scottr #include <sys/conf.h>
44 1.2 scottr #include <sys/device.h>
45 1.2 scottr #include <sys/ioctl.h>
46 1.2.4.1 he #include <sys/ttycom.h>
47 1.2 scottr
48 1.2 scottr #include <dev/cons.h>
49 1.2 scottr
50 1.2 scottr #include <machine/cpu.h>
51 1.2 scottr #include <machine/iteioctl.h>
52 1.2 scottr
53 1.2 scottr cdev_decl(ite);
54 1.2 scottr cdev_decl(wsdisplay);
55 1.2 scottr void iteattach __P((int));
56 1.2 scottr
57 1.2 scottr static int ite_initted = 0;
58 1.2 scottr static int ite_bell_freq = 1880;
59 1.2 scottr static int ite_bell_length = 10;
60 1.2 scottr static int ite_bell_volume = 100;
61 1.2 scottr
62 1.2 scottr
63 1.2 scottr /*ARGSUSED*/
64 1.2 scottr void
65 1.2 scottr iteattach(n)
66 1.2 scottr int n;
67 1.2 scottr {
68 1.2 scottr #if NWSDISPLAY > 0
69 1.2 scottr int maj;
70 1.2 scottr
71 1.2 scottr for (maj = 0; maj < nchrdev; maj++)
72 1.2 scottr if (cdevsw[maj].d_open == wsdisplayopen)
73 1.2 scottr break;
74 1.2 scottr KASSERT(maj < nchrdev);
75 1.2 scottr
76 1.2 scottr if (maj != major(cn_tab->cn_dev))
77 1.2 scottr return;
78 1.2 scottr
79 1.2 scottr ite_initted = 1;
80 1.2 scottr #endif
81 1.2 scottr }
82 1.2 scottr
83 1.2 scottr /*
84 1.2 scottr * Tty handling functions
85 1.2 scottr */
86 1.2 scottr
87 1.2 scottr /*ARGSUSED*/
88 1.2 scottr int
89 1.2 scottr iteopen(dev, mode, devtype, p)
90 1.2 scottr dev_t dev;
91 1.2 scottr int mode;
92 1.2 scottr int devtype;
93 1.2 scottr struct proc *p;
94 1.2 scottr {
95 1.2.4.1 he return ite_initted ? (0) : (ENXIO);
96 1.2 scottr }
97 1.2 scottr
98 1.2 scottr /*ARGSUSED*/
99 1.2 scottr int
100 1.2 scottr iteclose(dev, flag, mode, p)
101 1.2 scottr dev_t dev;
102 1.2 scottr int flag;
103 1.2 scottr int mode;
104 1.2 scottr struct proc *p;
105 1.2 scottr {
106 1.2.4.1 he return ite_initted ? (0) : (ENXIO);
107 1.2 scottr }
108 1.2 scottr
109 1.2 scottr /*ARGSUSED*/
110 1.2 scottr int
111 1.2 scottr iteread(dev, uio, flag)
112 1.2 scottr dev_t dev;
113 1.2 scottr struct uio *uio;
114 1.2 scottr int flag;
115 1.2 scottr {
116 1.2 scottr return ite_initted ?
117 1.2 scottr wsdisplayread(cn_tab->cn_dev, uio, flag) : (ENXIO);
118 1.2 scottr }
119 1.2 scottr
120 1.2 scottr /*ARGSUSED*/
121 1.2 scottr int
122 1.2 scottr itewrite(dev, uio, flag)
123 1.2 scottr dev_t dev;
124 1.2 scottr struct uio *uio;
125 1.2 scottr int flag;
126 1.2 scottr {
127 1.2 scottr return ite_initted ?
128 1.2 scottr wsdisplaywrite(cn_tab->cn_dev, uio, flag) : (ENXIO);
129 1.2 scottr }
130 1.2 scottr
131 1.2 scottr /*ARGSUSED*/
132 1.2 scottr struct tty *
133 1.2 scottr itetty(dev)
134 1.2 scottr dev_t dev;
135 1.2 scottr {
136 1.2 scottr return ite_initted ? wsdisplaytty(cn_tab->cn_dev) : (NULL);
137 1.2 scottr }
138 1.2 scottr
139 1.2 scottr /*ARGSUSED*/
140 1.2 scottr void
141 1.2 scottr itestop(struct tty *tp, int flag)
142 1.2 scottr {
143 1.2 scottr }
144 1.2 scottr
145 1.2 scottr /*ARGSUSED*/
146 1.2 scottr int
147 1.2 scottr iteioctl(dev, cmd, addr, flag, p)
148 1.2 scottr dev_t dev;
149 1.2 scottr u_long cmd;
150 1.2 scottr caddr_t addr;
151 1.2 scottr int flag;
152 1.2 scottr struct proc *p;
153 1.2 scottr {
154 1.2 scottr if (!ite_initted)
155 1.2 scottr return (ENXIO);
156 1.2 scottr
157 1.2 scottr switch (cmd) {
158 1.2 scottr case ITEIOC_RINGBELL:
159 1.2 scottr return mac68k_ring_bell(ite_bell_freq,
160 1.2 scottr ite_bell_length, ite_bell_volume);
161 1.2 scottr case ITEIOC_SETBELL:
162 1.2 scottr {
163 1.2 scottr struct bellparams *bp = (void *)addr;
164 1.2 scottr
165 1.2 scottr /* Do some sanity checks. */
166 1.2 scottr if (bp->freq < 10 || bp->freq > 40000)
167 1.2 scottr return (EINVAL);
168 1.2 scottr if (bp->len < 0 || bp->len > 3600)
169 1.2 scottr return (EINVAL);
170 1.2 scottr if (bp->vol < 0 || bp->vol > 100)
171 1.2 scottr return (EINVAL);
172 1.2 scottr
173 1.2 scottr ite_bell_freq = bp->freq;
174 1.2 scottr ite_bell_length = bp->len;
175 1.2 scottr ite_bell_volume = bp->vol;
176 1.2 scottr return (0);
177 1.2 scottr }
178 1.2 scottr case ITEIOC_GETBELL:
179 1.2 scottr {
180 1.2 scottr struct bellparams *bp = (void *)addr;
181 1.2 scottr
182 1.2 scottr ite_bell_freq = bp->freq;
183 1.2 scottr ite_bell_length = bp->len;
184 1.2 scottr ite_bell_volume = bp->vol;
185 1.2 scottr return (0);
186 1.2 scottr }
187 1.2 scottr default:
188 1.2 scottr return wsdisplayioctl(cn_tab->cn_dev, cmd, addr, flag, p);
189 1.2 scottr }
190 1.2 scottr
191 1.2 scottr return (ENOTTY);
192 1.2 scottr }
193