1 /* $NetBSD: ite_compat.c,v 1.4 2001/05/14 09:27:06 scw Exp $ */ 2 3 /* 4 * Copyright (C) 2000 Scott Reynolds 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /* 31 * The main thing to realize about this emulator is that the old console 32 * emulator was largely compatible with the DEC VT-220. Since the 33 * wsdiplay driver has a more complete emulation of that terminal, it's 34 * reasonable to pass virtually everything up to that driver without 35 * modification. 36 */ 37 38 #include "ite.h" 39 #include "wsdisplay.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/conf.h> 44 #include <sys/device.h> 45 #include <sys/ioctl.h> 46 #include <sys/ttycom.h> 47 48 #include <dev/cons.h> 49 50 #include <machine/cpu.h> 51 #include <machine/iteioctl.h> 52 53 cdev_decl(ite); 54 cdev_decl(wsdisplay); 55 void iteattach __P((int)); 56 57 static int ite_initted = 0; 58 static int ite_bell_freq = 1880; 59 static int ite_bell_length = 10; 60 static int ite_bell_volume = 100; 61 62 63 /*ARGSUSED*/ 64 void 65 iteattach(n) 66 int n; 67 { 68 #if NWSDISPLAY > 0 69 int maj; 70 71 for (maj = 0; maj < nchrdev; maj++) 72 if (cdevsw[maj].d_open == wsdisplayopen) 73 break; 74 KASSERT(maj < nchrdev); 75 76 if (maj != major(cn_tab->cn_dev)) 77 return; 78 79 ite_initted = 1; 80 #endif 81 } 82 83 /* 84 * Tty handling functions 85 */ 86 87 /*ARGSUSED*/ 88 int 89 iteopen(dev, mode, devtype, p) 90 dev_t dev; 91 int mode; 92 int devtype; 93 struct proc *p; 94 { 95 return ite_initted ? (0) : (ENXIO); 96 } 97 98 /*ARGSUSED*/ 99 int 100 iteclose(dev, flag, mode, p) 101 dev_t dev; 102 int flag; 103 int mode; 104 struct proc *p; 105 { 106 return ite_initted ? (0) : (ENXIO); 107 } 108 109 /*ARGSUSED*/ 110 int 111 iteread(dev, uio, flag) 112 dev_t dev; 113 struct uio *uio; 114 int flag; 115 { 116 return ite_initted ? 117 wsdisplayread(cn_tab->cn_dev, uio, flag) : (ENXIO); 118 } 119 120 /*ARGSUSED*/ 121 int 122 itewrite(dev, uio, flag) 123 dev_t dev; 124 struct uio *uio; 125 int flag; 126 { 127 return ite_initted ? 128 wsdisplaywrite(cn_tab->cn_dev, uio, flag) : (ENXIO); 129 } 130 131 /*ARGSUSED*/ 132 struct tty * 133 itetty(dev) 134 dev_t dev; 135 { 136 return ite_initted ? wsdisplaytty(cn_tab->cn_dev) : (NULL); 137 } 138 139 /*ARGSUSED*/ 140 void 141 itestop(struct tty *tp, int flag) 142 { 143 } 144 145 /*ARGSUSED*/ 146 int 147 iteioctl(dev, cmd, addr, flag, p) 148 dev_t dev; 149 u_long cmd; 150 caddr_t addr; 151 int flag; 152 struct proc *p; 153 { 154 if (!ite_initted) 155 return (ENXIO); 156 157 switch (cmd) { 158 case ITEIOC_RINGBELL: 159 return mac68k_ring_bell(ite_bell_freq, 160 ite_bell_length, ite_bell_volume); 161 case ITEIOC_SETBELL: 162 { 163 struct bellparams *bp = (void *)addr; 164 165 /* Do some sanity checks. */ 166 if (bp->freq < 10 || bp->freq > 40000) 167 return (EINVAL); 168 if (bp->len < 0 || bp->len > 3600) 169 return (EINVAL); 170 if (bp->vol < 0 || bp->vol > 100) 171 return (EINVAL); 172 173 ite_bell_freq = bp->freq; 174 ite_bell_length = bp->len; 175 ite_bell_volume = bp->vol; 176 return (0); 177 } 178 case ITEIOC_GETBELL: 179 { 180 struct bellparams *bp = (void *)addr; 181 182 ite_bell_freq = bp->freq; 183 ite_bell_length = bp->len; 184 ite_bell_volume = bp->vol; 185 return (0); 186 } 187 default: 188 return wsdisplayioctl(cn_tab->cn_dev, cmd, addr, flag, p); 189 } 190 191 return (ENOTTY); 192 } 193 194 /*ARGSUSED*/ 195 int 196 itepoll(dev, events, p) 197 dev_t dev; 198 int events; 199 struct proc *p; 200 { 201 return ite_initted ? 202 wsdisplaypoll(cn_tab->cn_dev, events, p) : (ENXIO); 203 } 204