1 /* $NetBSD: sunms.c,v 1.17 2003/08/07 16:31:27 agc 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. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)ms.c 8.1 (Berkeley) 6/11/93 41 */ 42 43 /* 44 * Mouse driver (/dev/mouse) 45 */ 46 47 /* 48 * Zilog Z8530 Dual UART driver (mouse interface) 49 * 50 * This is the "slave" driver that will be attached to 51 * the "zsc" driver for a Sun mouse. 52 */ 53 54 #include <sys/cdefs.h> 55 __KERNEL_RCSID(0, "$NetBSD: sunms.c,v 1.17 2003/08/07 16:31:27 agc Exp $"); 56 57 #include <sys/param.h> 58 #include <sys/systm.h> 59 #include <sys/conf.h> 60 #include <sys/device.h> 61 #include <sys/ioctl.h> 62 #include <sys/kernel.h> 63 #include <sys/proc.h> 64 #include <sys/signal.h> 65 #include <sys/signalvar.h> 66 #include <sys/time.h> 67 #include <sys/select.h> 68 #include <sys/syslog.h> 69 #include <sys/fcntl.h> 70 #include <sys/tty.h> 71 72 #include <machine/vuid_event.h> 73 74 #include <sys/tty.h> 75 #include <dev/sun/event_var.h> 76 #include <dev/sun/msvar.h> 77 #include <dev/sun/kbd_ms_ttyvar.h> 78 79 #include <dev/wscons/wsconsio.h> 80 #include <dev/wscons/wsmousevar.h> 81 82 #include "ms.h" 83 #include "wsmouse.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 int sunms_enable(void *); 105 int sunms_ioctl(void *, u_long, caddr_t, int, struct proc *); 106 void sunms_disable(void *); 107 108 const struct wsmouse_accessops sunms_accessops = { 109 sunms_enable, 110 sunms_ioctl, 111 sunms_disable, 112 }; 113 114 /* 115 * ms_match: how is this zs channel configured? 116 */ 117 int 118 sunms_match(parent, cf, aux) 119 struct device *parent; 120 struct cfdata *cf; 121 void *aux; 122 { 123 struct kbd_ms_tty_attach_args *args = aux; 124 125 if (sunms_bps == 0) 126 return 0; 127 128 if (strcmp(args->kmta_name, "mouse") == 0) 129 return (1); 130 131 return 0; 132 } 133 134 void 135 sunms_attach(parent, self, aux) 136 struct device *parent, *self; 137 void *aux; 138 139 { 140 struct ms_softc *ms = (void *) self; 141 struct kbd_ms_tty_attach_args *args = aux; 142 struct cfdata *cf; 143 struct tty *tp = args->kmta_tp; 144 int ms_unit; 145 #if NWSMOUSE > 0 146 struct wsmousedev_attach_args a; 147 #endif 148 149 cf = ms->ms_dev.dv_cfdata; 150 ms_unit = ms->ms_dev.dv_unit; 151 tp->t_sc = ms; 152 tp->t_dev = args->kmta_dev; 153 ms->ms_cs = (struct zs_chanstate *)tp; 154 ms->ms_deviopen = sunmsiopen; 155 ms->ms_deviclose = NULL; 156 157 printf("\n"); 158 159 /* Initialize the speed, etc. */ 160 if (ttyldisc_add(&sunms_disc, -1) == -1) 161 panic("sunms_attach: sunms_disc"); 162 tp->t_linesw = &sunms_disc; 163 tp->t_oflag &= ~OPOST; 164 165 /* Initialize translator. */ 166 ms->ms_byteno = -1; 167 168 #if NWSMOUSE > 0 169 /* 170 * attach wsmouse 171 */ 172 a.accessops = &sunms_accessops; 173 a.accesscookie = ms; 174 175 ms->ms_wsmousedev = config_found(self, &a, wsmousedevprint); 176 #endif 177 } 178 179 /* 180 * Internal open routine. This really should be inside com.c 181 * But I'm putting it here until we have a generic internal open 182 * mechanism. 183 */ 184 int 185 sunmsiopen(dev, flags) 186 struct device *dev; 187 int flags; 188 { 189 struct ms_softc *ms = (void *) dev; 190 struct tty *tp = (struct tty *)ms->ms_cs; 191 struct proc *p = curproc ? curproc : &proc0; 192 struct termios t; 193 const struct cdevsw *cdev; 194 int error; 195 196 cdev = cdevsw_lookup(tp->t_dev); 197 if (cdev == NULL) 198 return (ENXIO); 199 200 /* Open the lower device */ 201 if ((error = (*cdev->d_open)(tp->t_dev, O_NONBLOCK|flags, 202 0/* ignored? */, p)) != 0) 203 return (error); 204 205 /* Now configure it for the console. */ 206 tp->t_ospeed = 0; 207 t.c_ispeed = sunms_bps; 208 t.c_ospeed = sunms_bps; 209 t.c_cflag = CLOCAL|CS8; 210 (*tp->t_param)(tp, &t); 211 212 return (0); 213 } 214 215 int 216 sunmsinput(c, tp) 217 int c; 218 struct tty *tp; 219 { 220 struct ms_softc *ms = (struct ms_softc *)tp->t_sc; 221 222 if (c & TTY_ERRORMASK) c = -1; 223 else c &= TTY_CHARMASK; 224 225 /* Pass this up to the "middle" layer. */ 226 ms_input(ms, c); 227 return (0); 228 } 229 230 int 231 sunms_ioctl(v, cmd, data, flag, p) 232 void *v; 233 u_long cmd; 234 caddr_t data; 235 int flag; 236 struct proc *p; 237 { 238 /* struct ms_softc *sc = v; */ 239 240 switch (cmd) { 241 case WSMOUSEIO_GTYPE: 242 *(u_int *)data = WSMOUSE_TYPE_PS2; /* XXX */ 243 break; 244 245 default: 246 return (EPASSTHROUGH); 247 } 248 return (0); 249 } 250 251 int 252 sunms_enable(v) 253 void *v; 254 { 255 struct ms_softc *ms = v; 256 int err; 257 int s; 258 259 if (ms->ms_ready) 260 return EBUSY; 261 262 err = sunmsiopen(v, 0); 263 if (err) 264 return err; 265 266 s = spltty(); 267 ms->ms_ready = 2; 268 splx(s); 269 270 return 0; 271 } 272 273 void 274 sunms_disable(v) 275 void *v; 276 { 277 struct ms_softc *ms = v; 278 int s; 279 280 s = spltty(); 281 ms->ms_ready = 0; 282 splx(s); 283 } 284 #endif 285