1 /* $NetBSD: sunms.c,v 1.24 2006/03/30 16:12:10 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. 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 1.24 2006/03/30 16:12:10 thorpej 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 .l_name = "sunms", 102 .l_open = ttylopen, 103 .l_close = ttylclose, 104 .l_read = ttyerrio, 105 .l_write = ttyerrio, 106 .l_ioctl = ttynullioctl, 107 .l_rint = sunmsinput, 108 .l_start = ttstart, 109 .l_modem = nullmodem, 110 .l_poll = ttpoll 111 }; 112 113 int sunms_enable(void *); 114 int sunms_ioctl(void *, u_long, caddr_t, int, struct lwp *); 115 void sunms_disable(void *); 116 117 const struct wsmouse_accessops sunms_accessops = { 118 sunms_enable, 119 sunms_ioctl, 120 sunms_disable, 121 }; 122 123 /* 124 * ms_match: how is this zs channel configured? 125 */ 126 int 127 sunms_match(parent, cf, aux) 128 struct device *parent; 129 struct cfdata *cf; 130 void *aux; 131 { 132 struct kbd_ms_tty_attach_args *args = aux; 133 134 if (sunms_bps == 0) 135 return 0; 136 137 if (strcmp(args->kmta_name, "mouse") == 0) 138 return (1); 139 140 return 0; 141 } 142 143 void 144 sunms_attach(parent, self, aux) 145 struct device *parent, *self; 146 void *aux; 147 148 { 149 struct ms_softc *ms = device_private(self); 150 struct kbd_ms_tty_attach_args *args = aux; 151 struct cfdata *cf; 152 struct tty *tp = args->kmta_tp; 153 int ms_unit; 154 #if NWSMOUSE > 0 155 struct wsmousedev_attach_args a; 156 #endif 157 158 cf = device_cfdata(&ms->ms_dev); 159 ms_unit = device_unit(&ms->ms_dev); 160 tp->t_sc = ms; 161 tp->t_dev = args->kmta_dev; 162 ms->ms_cs = (struct zs_chanstate *)tp; 163 ms->ms_deviopen = sunmsiopen; 164 ms->ms_deviclose = NULL; 165 166 printf("\n"); 167 168 /* Initialize the speed, etc. */ 169 if (ttyldisc_attach(&sunms_disc) != 0) 170 panic("sunms_attach: sunms_disc"); 171 ttyldisc_release(tp->t_linesw); 172 tp->t_linesw = ttyldisc_lookup(sunms_disc.l_name); 173 KASSERT(tp->t_linesw == &sunms_disc); 174 tp->t_oflag &= ~OPOST; 175 176 /* Initialize translator. */ 177 ms->ms_byteno = -1; 178 179 #if NWSMOUSE > 0 180 /* 181 * attach wsmouse 182 */ 183 a.accessops = &sunms_accessops; 184 a.accesscookie = ms; 185 186 ms->ms_wsmousedev = config_found(self, &a, wsmousedevprint); 187 #endif 188 } 189 190 /* 191 * Internal open routine. This really should be inside com.c 192 * But I'm putting it here until we have a generic internal open 193 * mechanism. 194 */ 195 int 196 sunmsiopen(dev, flags) 197 struct device *dev; 198 int flags; 199 { 200 struct ms_softc *ms = (void *) dev; 201 struct tty *tp = (struct tty *)ms->ms_cs; 202 struct lwp *l = curlwp ? curlwp : &lwp0; 203 struct termios t; 204 const struct cdevsw *cdev; 205 int error; 206 207 cdev = cdevsw_lookup(tp->t_dev); 208 if (cdev == NULL) 209 return (ENXIO); 210 211 /* Open the lower device */ 212 if ((error = (*cdev->d_open)(tp->t_dev, O_NONBLOCK|flags, 213 0/* ignored? */, l)) != 0) 214 return (error); 215 216 /* Now configure it for the console. */ 217 tp->t_ospeed = 0; 218 t.c_ispeed = sunms_bps; 219 t.c_ospeed = sunms_bps; 220 t.c_cflag = CLOCAL|CS8; 221 (*tp->t_param)(tp, &t); 222 223 return (0); 224 } 225 226 int 227 sunmsinput(c, tp) 228 int c; 229 struct tty *tp; 230 { 231 struct ms_softc *ms = (struct ms_softc *)tp->t_sc; 232 233 if (c & TTY_ERRORMASK) c = -1; 234 else c &= TTY_CHARMASK; 235 236 /* Pass this up to the "middle" layer. */ 237 ms_input(ms, c); 238 return (0); 239 } 240 241 int 242 sunms_ioctl(v, cmd, data, flag, l) 243 void *v; 244 u_long cmd; 245 caddr_t data; 246 int flag; 247 struct lwp *l; 248 { 249 /* struct ms_softc *sc = v; */ 250 251 switch (cmd) { 252 case WSMOUSEIO_GTYPE: 253 *(u_int *)data = WSMOUSE_TYPE_PS2; /* XXX */ 254 break; 255 256 default: 257 return (EPASSTHROUGH); 258 } 259 return (0); 260 } 261 262 int 263 sunms_enable(v) 264 void *v; 265 { 266 struct ms_softc *ms = v; 267 int err; 268 int s; 269 270 if (ms->ms_ready) 271 return EBUSY; 272 273 err = sunmsiopen(v, 0); 274 if (err) 275 return err; 276 277 s = spltty(); 278 ms->ms_ready = 2; 279 splx(s); 280 281 return 0; 282 } 283 284 void 285 sunms_disable(v) 286 void *v; 287 { 288 struct ms_softc *ms = v; 289 int s; 290 291 s = spltty(); 292 ms->ms_ready = 0; 293 splx(s); 294 } 295 #endif 296