1 /* $NetBSD: sunms.c,v 1.13 2003/01/19 16:53:53 thorpej 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/cdefs.h> 59 __KERNEL_RCSID(0, "$NetBSD: sunms.c,v 1.13 2003/01/19 16:53:53 thorpej Exp $"); 60 61 #include <sys/param.h> 62 #include <sys/systm.h> 63 #include <sys/conf.h> 64 #include <sys/device.h> 65 #include <sys/ioctl.h> 66 #include <sys/kernel.h> 67 #include <sys/proc.h> 68 #include <sys/signal.h> 69 #include <sys/signalvar.h> 70 #include <sys/time.h> 71 #include <sys/select.h> 72 #include <sys/syslog.h> 73 #include <sys/fcntl.h> 74 #include <sys/tty.h> 75 76 #include <machine/vuid_event.h> 77 78 #include <sys/tty.h> 79 #include <dev/sun/event_var.h> 80 #include <dev/sun/msvar.h> 81 #include <dev/sun/kbd_ms_ttyvar.h> 82 83 #include "ms.h" 84 #if NMS > 0 85 86 #ifdef SUN_MS_BPS 87 int sunms_bps = SUN_MS_BPS; 88 #else 89 int sunms_bps = MS_DEFAULT_BPS; 90 #endif 91 92 static int sunms_match(struct device *, struct cfdata *, void *); 93 static void sunms_attach(struct device *, struct device *, void *); 94 static int sunmsiopen(struct device *, int mode); 95 int sunmsinput(int, struct tty *); 96 97 CFATTACH_DECL(ms_tty, sizeof(struct ms_softc), 98 sunms_match, sunms_attach, NULL, NULL); 99 100 struct linesw sunms_disc = 101 { "sunms", 8, ttylopen, ttylclose, ttyerrio, ttyerrio, ttynullioctl, 102 sunmsinput, ttstart, nullmodem, ttpoll }; /* 8- SUNMOUSEDISC */ 103 104 /* 105 * ms_match: how is this zs channel configured? 106 */ 107 int 108 sunms_match(parent, cf, aux) 109 struct device *parent; 110 struct cfdata *cf; 111 void *aux; 112 { 113 struct kbd_ms_tty_attach_args *args = aux; 114 115 if (sunms_bps == 0) 116 return 0; 117 118 if (strcmp(args->kmta_name, "mouse") == 0) 119 return (1); 120 121 return 0; 122 } 123 124 void 125 sunms_attach(parent, self, aux) 126 struct device *parent, *self; 127 void *aux; 128 129 { 130 struct ms_softc *ms = (void *) self; 131 struct kbd_ms_tty_attach_args *args = aux; 132 struct cfdata *cf; 133 struct tty *tp = args->kmta_tp; 134 int ms_unit; 135 136 cf = ms->ms_dev.dv_cfdata; 137 ms_unit = ms->ms_dev.dv_unit; 138 tp->t_sc = ms; 139 tp->t_dev = args->kmta_dev; 140 ms->ms_cs = (struct zs_chanstate *)tp; 141 ms->ms_deviopen = sunmsiopen; 142 ms->ms_deviclose = NULL; 143 144 printf("\n"); 145 146 /* Initialize the speed, etc. */ 147 if (ttyldisc_add(&sunms_disc, -1) == -1) 148 panic("sunms_attach: sunms_disc"); 149 tp->t_linesw = &sunms_disc; 150 tp->t_oflag &= ~OPOST; 151 152 /* Initialize translator. */ 153 ms->ms_byteno = -1; 154 } 155 156 /* 157 * Internal open routine. This really should be inside com.c 158 * But I'm putting it here until we have a generic internal open 159 * mechanism. 160 */ 161 int 162 sunmsiopen(dev, flags) 163 struct device *dev; 164 int flags; 165 { 166 struct ms_softc *ms = (void *) dev; 167 struct tty *tp = (struct tty *)ms->ms_cs; 168 struct proc *p = curproc ? curproc : &proc0; 169 struct termios t; 170 const struct cdevsw *cdev; 171 int error; 172 173 cdev = cdevsw_lookup(tp->t_dev); 174 if (cdev == NULL) 175 return (ENXIO); 176 177 /* Open the lower device */ 178 if ((error = (*cdev->d_open)(tp->t_dev, O_NONBLOCK|flags, 179 0/* ignored? */, p)) != 0) 180 return (error); 181 182 /* Now configure it for the console. */ 183 tp->t_ospeed = 0; 184 t.c_ispeed = sunms_bps; 185 t.c_ospeed = sunms_bps; 186 t.c_cflag = CLOCAL|CS8; 187 (*tp->t_param)(tp, &t); 188 189 return (0); 190 } 191 192 int 193 sunmsinput(c, tp) 194 int c; 195 struct tty *tp; 196 { 197 struct ms_softc *ms = (struct ms_softc *)tp->t_sc; 198 199 if (c & TTY_ERRORMASK) c = -1; 200 else c &= TTY_CHARMASK; 201 202 /* Pass this up to the "middle" layer. */ 203 ms_input(ms, c); 204 return (0); 205 } 206 #endif 207