ite_compat.c revision 1.2
1 1.2 scottr /* $NetBSD: ite_compat.c,v 1.2 2000/02/14 07:01:46 scottr 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 scottr 47 1.2 scottr #include <dev/cons.h> 48 1.2 scottr 49 1.2 scottr #include <machine/cpu.h> 50 1.2 scottr #include <machine/iteioctl.h> 51 1.2 scottr 52 1.2 scottr cdev_decl(ite); 53 1.2 scottr cdev_decl(wsdisplay); 54 1.2 scottr void iteattach __P((int)); 55 1.2 scottr 56 1.2 scottr static int ite_initted = 0; 57 1.2 scottr static int ite_bell_freq = 1880; 58 1.2 scottr static int ite_bell_length = 10; 59 1.2 scottr static int ite_bell_volume = 100; 60 1.2 scottr 61 1.2 scottr 62 1.2 scottr /*ARGSUSED*/ 63 1.2 scottr void 64 1.2 scottr iteattach(n) 65 1.2 scottr int n; 66 1.2 scottr { 67 1.2 scottr #if NWSDISPLAY > 0 68 1.2 scottr int maj; 69 1.2 scottr 70 1.2 scottr for (maj = 0; maj < nchrdev; maj++) 71 1.2 scottr if (cdevsw[maj].d_open == wsdisplayopen) 72 1.2 scottr break; 73 1.2 scottr KASSERT(maj < nchrdev); 74 1.2 scottr 75 1.2 scottr if (maj != major(cn_tab->cn_dev)) 76 1.2 scottr return; 77 1.2 scottr 78 1.2 scottr cn_tab->cn_dev = cn_tab->cn_dev; 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 scottr return ite_initted ? 96 1.2 scottr wsdisplayopen(cn_tab->cn_dev, mode, devtype, p) : (ENXIO); 97 1.2 scottr } 98 1.2 scottr 99 1.2 scottr /*ARGSUSED*/ 100 1.2 scottr int 101 1.2 scottr iteclose(dev, flag, mode, p) 102 1.2 scottr dev_t dev; 103 1.2 scottr int flag; 104 1.2 scottr int mode; 105 1.2 scottr struct proc *p; 106 1.2 scottr { 107 1.2 scottr return ite_initted ? 108 1.2 scottr wsdisplayclose(cn_tab->cn_dev, flag, mode, p) : (ENXIO); 109 1.2 scottr } 110 1.2 scottr 111 1.2 scottr /*ARGSUSED*/ 112 1.2 scottr int 113 1.2 scottr iteread(dev, uio, flag) 114 1.2 scottr dev_t dev; 115 1.2 scottr struct uio *uio; 116 1.2 scottr int flag; 117 1.2 scottr { 118 1.2 scottr return ite_initted ? 119 1.2 scottr wsdisplayread(cn_tab->cn_dev, uio, flag) : (ENXIO); 120 1.2 scottr } 121 1.2 scottr 122 1.2 scottr /*ARGSUSED*/ 123 1.2 scottr int 124 1.2 scottr itewrite(dev, uio, flag) 125 1.2 scottr dev_t dev; 126 1.2 scottr struct uio *uio; 127 1.2 scottr int flag; 128 1.2 scottr { 129 1.2 scottr return ite_initted ? 130 1.2 scottr wsdisplaywrite(cn_tab->cn_dev, uio, flag) : (ENXIO); 131 1.2 scottr } 132 1.2 scottr 133 1.2 scottr /*ARGSUSED*/ 134 1.2 scottr struct tty * 135 1.2 scottr itetty(dev) 136 1.2 scottr dev_t dev; 137 1.2 scottr { 138 1.2 scottr return ite_initted ? wsdisplaytty(cn_tab->cn_dev) : (NULL); 139 1.2 scottr } 140 1.2 scottr 141 1.2 scottr /*ARGSUSED*/ 142 1.2 scottr void 143 1.2 scottr itestop(struct tty *tp, int flag) 144 1.2 scottr { 145 1.2 scottr } 146 1.2 scottr 147 1.2 scottr /*ARGSUSED*/ 148 1.2 scottr int 149 1.2 scottr iteioctl(dev, cmd, addr, flag, p) 150 1.2 scottr dev_t dev; 151 1.2 scottr u_long cmd; 152 1.2 scottr caddr_t addr; 153 1.2 scottr int flag; 154 1.2 scottr struct proc *p; 155 1.2 scottr { 156 1.2 scottr if (!ite_initted) 157 1.2 scottr return (ENXIO); 158 1.2 scottr 159 1.2 scottr switch (cmd) { 160 1.2 scottr case ITEIOC_RINGBELL: 161 1.2 scottr return mac68k_ring_bell(ite_bell_freq, 162 1.2 scottr ite_bell_length, ite_bell_volume); 163 1.2 scottr case ITEIOC_SETBELL: 164 1.2 scottr { 165 1.2 scottr struct bellparams *bp = (void *)addr; 166 1.2 scottr 167 1.2 scottr /* Do some sanity checks. */ 168 1.2 scottr if (bp->freq < 10 || bp->freq > 40000) 169 1.2 scottr return (EINVAL); 170 1.2 scottr if (bp->len < 0 || bp->len > 3600) 171 1.2 scottr return (EINVAL); 172 1.2 scottr if (bp->vol < 0 || bp->vol > 100) 173 1.2 scottr return (EINVAL); 174 1.2 scottr 175 1.2 scottr ite_bell_freq = bp->freq; 176 1.2 scottr ite_bell_length = bp->len; 177 1.2 scottr ite_bell_volume = bp->vol; 178 1.2 scottr return (0); 179 1.2 scottr } 180 1.2 scottr case ITEIOC_GETBELL: 181 1.2 scottr { 182 1.2 scottr struct bellparams *bp = (void *)addr; 183 1.2 scottr 184 1.2 scottr ite_bell_freq = bp->freq; 185 1.2 scottr ite_bell_length = bp->len; 186 1.2 scottr ite_bell_volume = bp->vol; 187 1.2 scottr return (0); 188 1.2 scottr } 189 1.2 scottr default: 190 1.2 scottr return wsdisplayioctl(cn_tab->cn_dev, cmd, addr, flag, p); 191 1.2 scottr } 192 1.2 scottr 193 1.2 scottr return (ENOTTY); 194 1.2 scottr } 195
Indexes created Fri Oct 31 11:10:07 GMT 2025