sunms.c revision 1.2
1 /* $NetBSD: sunms.c,v 1.2 2000/10/10 23:33:52 pk Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratory. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the University of 27 * California, Berkeley and its contributors. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * @(#)ms.c 8.1 (Berkeley) 6/11/93 45 */ 46 47 /* 48 * Mouse driver (/dev/mouse) 49 */ 50 51 /* 52 * Zilog Z8530 Dual UART driver (mouse interface) 53 * 54 * This is the "slave" driver that will be attached to 55 * the "zsc" driver for a Sun mouse. 56 */ 57 58 #include <sys/param.h> 59 #include <sys/systm.h> 60 #include <sys/conf.h> 61 #include <sys/device.h> 62 #include <sys/ioctl.h> 63 #include <sys/kernel.h> 64 #include <sys/proc.h> 65 #include <sys/signal.h> 66 #include <sys/signalvar.h> 67 #include <sys/time.h> 68 #include <sys/select.h> 69 #include <sys/syslog.h> 70 #include <sys/fcntl.h> 71 #include <sys/tty.h> 72 73 #include <machine/vuid_event.h> 74 75 #include <sys/tty.h> 76 #include <dev/sun/event_var.h> 77 #include <dev/sun/msvar.h> 78 #include <dev/sun/kbd_ms_ttyvar.h> 79 80 #include "ms.h" 81 #if NMS > 0 82 83 int sunms_bps = MS_BPS; 84 85 static int sunms_match(struct device *, struct cfdata *, void *); 86 static void sunms_attach(struct device *, struct device *, void *); 87 static int sunmsiopen(struct device *, int mode); 88 int sunmsinput(int, struct tty *); 89 90 struct cfattach ms_ca = { 91 sizeof(struct ms_softc), sunms_match, sunms_attach 92 }; 93 94 /* 95 * ms_match: how is this zs channel configured? 96 */ 97 int 98 sunms_match(parent, cf, aux) 99 struct device *parent; 100 struct cfdata *cf; 101 void *aux; 102 { 103 struct kbd_ms_tty_attach_args *args = aux; 104 105 if (sunms_bps == 0) 106 return 0; 107 108 if (strcmp(args->kmta_name, "mouse") == 0) 109 return (1); 110 111 return 0; 112 } 113 114 void 115 sunms_attach(parent, self, aux) 116 struct device *parent, *self; 117 void *aux; 118 119 { 120 struct ms_softc *ms = (void *) self; 121 struct kbd_ms_tty_attach_args *args = aux; 122 struct cfdata *cf; 123 struct tty *tp = args->kmta_tp; 124 int ms_unit; 125 126 cf = ms->ms_dev.dv_cfdata; 127 ms_unit = ms->ms_dev.dv_unit; 128 tp->t_sc = ms; 129 tp->t_dev = args->kmta_dev; 130 ms->ms_cs = (struct zs_chanstate *)tp; 131 ms->ms_deviopen = sunmsiopen; 132 ms->ms_deviclose = NULL; 133 134 printf("\n"); 135 136 /* Remove tty from system */ 137 tty_detach(tp); 138 #if 0 139 callout_stop(&tp->t_outq_ch); 140 callout_stop(&tp->t_rstrt_ch); 141 #endif 142 143 /* Initialize the speed, etc. */ 144 tp->t_line = 8; 145 tp->t_oflag &= ~OPOST; 146 147 /* Initialize translator. */ 148 ms->ms_byteno = -1; 149 } 150 151 /* 152 * Internal open routine. This really should be inside com.c 153 * But I'm putting it here until we have a generic internal open 154 * mechanism. 155 */ 156 int 157 sunmsiopen(dev, flags) 158 struct device *dev; 159 int flags; 160 { 161 struct ms_softc *ms = (void *) dev; 162 struct tty *tp = (struct tty *)ms->ms_cs; 163 struct proc *p = curproc; 164 struct termios t; 165 int maj; 166 int error; 167 168 maj = major(tp->t_dev); 169 if (p == NULL) 170 p = &proc0; 171 172 /* Open the lower device */ 173 if ((error = (*cdevsw[maj].d_open)(tp->t_dev, O_NONBLOCK|flags, 174 0/* ignored? */, p)) != 0) 175 return (error); 176 177 /* Now configure it for the console. */ 178 tp->t_ospeed = 0; 179 t.c_ispeed = sunms_bps; 180 t.c_ospeed = sunms_bps; 181 t.c_cflag = CLOCAL; 182 (*tp->t_param)(tp, &t); 183 184 return (0); 185 } 186 187 int 188 sunmsinput(c, tp) 189 int c; 190 struct tty *tp; 191 { 192 struct ms_softc *ms = (struct ms_softc *)tp->t_sc; 193 194 if (c & TTY_ERRORMASK) c = -1; 195 else c &= TTY_CHARMASK; 196 197 /* Pass this up to the "middle" layer. */ 198 ms_input(ms, c); 199 return (0); 200 } 201 #endif 202
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