1 /* $NetBSD: sunms.c,v 1.27 2007/07/09 21:01:23 ad 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 1.27 2007/07/09 21:01:23 ad 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 <dev/sun/event_var.h> 75 #include <dev/sun/msvar.h> 76 #include <dev/sun/kbd_ms_ttyvar.h> 77 78 #include <dev/wscons/wsconsio.h> 79 #include <dev/wscons/wsmousevar.h> 80 81 #include "ms.h" 82 #include "wsmouse.h" 83 #if NMS > 0 84 85 #ifdef SUN_MS_BPS 86 int sunms_bps = SUN_MS_BPS; 87 #else 88 int sunms_bps = MS_DEFAULT_BPS; 89 #endif 90 91 static int sunms_match(struct device *, struct cfdata *, void *); 92 static void sunms_attach(struct device *, struct device *, void *); 93 static int sunmsiopen(struct device *, int mode); 94 int sunmsinput(int, struct tty *); 95 96 CFATTACH_DECL(ms_tty, sizeof(struct ms_softc), 97 sunms_match, sunms_attach, NULL, NULL); 98 99 struct linesw sunms_disc = { 100 .l_name = "sunms", 101 .l_open = ttylopen, 102 .l_close = ttylclose, 103 .l_read = ttyerrio, 104 .l_write = ttyerrio, 105 .l_ioctl = ttynullioctl, 106 .l_rint = sunmsinput, 107 .l_start = ttstart, 108 .l_modem = nullmodem, 109 .l_poll = ttpoll 110 }; 111 112 int sunms_enable(void *); 113 int sunms_ioctl(void *, u_long, void *, int, struct lwp *); 114 void sunms_disable(void *); 115 116 const struct wsmouse_accessops sunms_accessops = { 117 sunms_enable, 118 sunms_ioctl, 119 sunms_disable, 120 }; 121 122 /* 123 * ms_match: how is this zs channel configured? 124 */ 125 int 126 sunms_match(parent, cf, aux) 127 struct device *parent; 128 struct cfdata *cf; 129 void *aux; 130 { 131 struct kbd_ms_tty_attach_args *args = aux; 132 133 if (sunms_bps == 0) 134 return 0; 135 136 if (strcmp(args->kmta_name, "mouse") == 0) 137 return (1); 138 139 return 0; 140 } 141 142 void 143 sunms_attach(parent, self, aux) 144 struct device *parent, *self; 145 void *aux; 146 147 { 148 struct ms_softc *ms = device_private(self); 149 struct kbd_ms_tty_attach_args *args = aux; 150 struct cfdata *cf; 151 struct tty *tp = args->kmta_tp; 152 int ms_unit; 153 #if NWSMOUSE > 0 154 struct wsmousedev_attach_args a; 155 #endif 156 157 cf = device_cfdata(&ms->ms_dev); 158 ms_unit = device_unit(&ms->ms_dev); 159 tp->t_sc = ms; 160 tp->t_dev = args->kmta_dev; 161 ms->ms_cs = (struct zs_chanstate *)tp; 162 ms->ms_deviopen = sunmsiopen; 163 ms->ms_deviclose = NULL; 164 165 printf("\n"); 166 167 /* Initialize the speed, etc. */ 168 if (ttyldisc_attach(&sunms_disc) != 0) 169 panic("sunms_attach: sunms_disc"); 170 ttyldisc_release(tp->t_linesw); 171 tp->t_linesw = ttyldisc_lookup(sunms_disc.l_name); 172 KASSERT(tp->t_linesw == &sunms_disc); 173 tp->t_oflag &= ~OPOST; 174 175 /* Initialize translator. */ 176 ms->ms_byteno = -1; 177 178 #if NWSMOUSE > 0 179 /* 180 * attach wsmouse 181 */ 182 a.accessops = &sunms_accessops; 183 a.accesscookie = ms; 184 185 ms->ms_wsmousedev = config_found(self, &a, wsmousedevprint); 186 #endif 187 } 188 189 /* 190 * Internal open routine. This really should be inside com.c 191 * But I'm putting it here until we have a generic internal open 192 * mechanism. 193 */ 194 int 195 sunmsiopen(dev, flags) 196 struct device *dev; 197 int flags; 198 { 199 struct ms_softc *ms = (void *) dev; 200 struct tty *tp = (struct tty *)ms->ms_cs; 201 struct lwp *l = curlwp ? curlwp : &lwp0; 202 struct termios t; 203 int error; 204 205 /* Open the lower device */ 206 if ((error = cdev_open(tp->t_dev, O_NONBLOCK|flags, 207 0/* ignored? */, l)) != 0) 208 return (error); 209 210 /* Now configure it for the console. */ 211 tp->t_ospeed = 0; 212 t.c_ispeed = sunms_bps; 213 t.c_ospeed = sunms_bps; 214 t.c_cflag = CLOCAL|CS8; 215 (*tp->t_param)(tp, &t); 216 217 return (0); 218 } 219 220 int 221 sunmsinput(c, tp) 222 int c; 223 struct tty *tp; 224 { 225 struct ms_softc *ms = (struct ms_softc *)tp->t_sc; 226 227 if (c & TTY_ERRORMASK) c = -1; 228 else c &= TTY_CHARMASK; 229 230 /* Pass this up to the "middle" layer. */ 231 ms_input(ms, c); 232 return (0); 233 } 234 235 int 236 sunms_ioctl(v, cmd, data, flag, l) 237 void *v; 238 u_long cmd; 239 void *data; 240 int flag; 241 struct lwp *l; 242 { 243 /* struct ms_softc *sc = v; */ 244 245 switch (cmd) { 246 case WSMOUSEIO_GTYPE: 247 *(u_int *)data = WSMOUSE_TYPE_PS2; /* XXX */ 248 break; 249 250 default: 251 return (EPASSTHROUGH); 252 } 253 return (0); 254 } 255 256 int 257 sunms_enable(v) 258 void *v; 259 { 260 struct ms_softc *ms = v; 261 int err; 262 int s; 263 264 if (ms->ms_ready) 265 return EBUSY; 266 267 err = sunmsiopen(v, 0); 268 if (err) 269 return err; 270 271 s = spltty(); 272 ms->ms_ready = 2; 273 splx(s); 274 275 return 0; 276 } 277 278 void 279 sunms_disable(v) 280 void *v; 281 { 282 struct ms_softc *ms = v; 283 int s; 284 285 s = spltty(); 286 ms->ms_ready = 0; 287 splx(s); 288 } 289 #endif 290