1 /* $NetBSD: sunms.c,v 1.16 2003/06/29 22:30:49 fvdl 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 1.16 2003/06/29 22:30:49 fvdl 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 <dev/wscons/wsconsio.h> 84 #include <dev/wscons/wsmousevar.h> 85 86 #include "ms.h" 87 #include "wsmouse.h" 88 #if NMS > 0 89 90 #ifdef SUN_MS_BPS 91 int sunms_bps = SUN_MS_BPS; 92 #else 93 int sunms_bps = MS_DEFAULT_BPS; 94 #endif 95 96 static int sunms_match(struct device *, struct cfdata *, void *); 97 static void sunms_attach(struct device *, struct device *, void *); 98 static int sunmsiopen(struct device *, int mode); 99 int sunmsinput(int, struct tty *); 100 101 CFATTACH_DECL(ms_tty, sizeof(struct ms_softc), 102 sunms_match, sunms_attach, NULL, NULL); 103 104 struct linesw sunms_disc = 105 { "sunms", 8, ttylopen, ttylclose, ttyerrio, ttyerrio, ttynullioctl, 106 sunmsinput, ttstart, nullmodem, ttpoll }; /* 8- SUNMOUSEDISC */ 107 108 int sunms_enable(void *); 109 int sunms_ioctl(void *, u_long, caddr_t, int, struct proc *); 110 void sunms_disable(void *); 111 112 const struct wsmouse_accessops sunms_accessops = { 113 sunms_enable, 114 sunms_ioctl, 115 sunms_disable, 116 }; 117 118 /* 119 * ms_match: how is this zs channel configured? 120 */ 121 int 122 sunms_match(parent, cf, aux) 123 struct device *parent; 124 struct cfdata *cf; 125 void *aux; 126 { 127 struct kbd_ms_tty_attach_args *args = aux; 128 129 if (sunms_bps == 0) 130 return 0; 131 132 if (strcmp(args->kmta_name, "mouse") == 0) 133 return (1); 134 135 return 0; 136 } 137 138 void 139 sunms_attach(parent, self, aux) 140 struct device *parent, *self; 141 void *aux; 142 143 { 144 struct ms_softc *ms = (void *) self; 145 struct kbd_ms_tty_attach_args *args = aux; 146 struct cfdata *cf; 147 struct tty *tp = args->kmta_tp; 148 int ms_unit; 149 #if NWSMOUSE > 0 150 struct wsmousedev_attach_args a; 151 #endif 152 153 cf = ms->ms_dev.dv_cfdata; 154 ms_unit = ms->ms_dev.dv_unit; 155 tp->t_sc = ms; 156 tp->t_dev = args->kmta_dev; 157 ms->ms_cs = (struct zs_chanstate *)tp; 158 ms->ms_deviopen = sunmsiopen; 159 ms->ms_deviclose = NULL; 160 161 printf("\n"); 162 163 /* Initialize the speed, etc. */ 164 if (ttyldisc_add(&sunms_disc, -1) == -1) 165 panic("sunms_attach: sunms_disc"); 166 tp->t_linesw = &sunms_disc; 167 tp->t_oflag &= ~OPOST; 168 169 /* Initialize translator. */ 170 ms->ms_byteno = -1; 171 172 #if NWSMOUSE > 0 173 /* 174 * attach wsmouse 175 */ 176 a.accessops = &sunms_accessops; 177 a.accesscookie = ms; 178 179 ms->ms_wsmousedev = config_found(self, &a, wsmousedevprint); 180 #endif 181 } 182 183 /* 184 * Internal open routine. This really should be inside com.c 185 * But I'm putting it here until we have a generic internal open 186 * mechanism. 187 */ 188 int 189 sunmsiopen(dev, flags) 190 struct device *dev; 191 int flags; 192 { 193 struct ms_softc *ms = (void *) dev; 194 struct tty *tp = (struct tty *)ms->ms_cs; 195 struct proc *p = curproc ? curproc : &proc0; 196 struct termios t; 197 const struct cdevsw *cdev; 198 int error; 199 200 cdev = cdevsw_lookup(tp->t_dev); 201 if (cdev == NULL) 202 return (ENXIO); 203 204 /* Open the lower device */ 205 if ((error = (*cdev->d_open)(tp->t_dev, O_NONBLOCK|flags, 206 0/* ignored? */, p)) != 0) 207 return (error); 208 209 /* Now configure it for the console. */ 210 tp->t_ospeed = 0; 211 t.c_ispeed = sunms_bps; 212 t.c_ospeed = sunms_bps; 213 t.c_cflag = CLOCAL|CS8; 214 (*tp->t_param)(tp, &t); 215 216 return (0); 217 } 218 219 int 220 sunmsinput(c, tp) 221 int c; 222 struct tty *tp; 223 { 224 struct ms_softc *ms = (struct ms_softc *)tp->t_sc; 225 226 if (c & TTY_ERRORMASK) c = -1; 227 else c &= TTY_CHARMASK; 228 229 /* Pass this up to the "middle" layer. */ 230 ms_input(ms, c); 231 return (0); 232 } 233 234 int 235 sunms_ioctl(v, cmd, data, flag, p) 236 void *v; 237 u_long cmd; 238 caddr_t data; 239 int flag; 240 struct proc *p; 241 { 242 /* struct ms_softc *sc = v; */ 243 244 switch (cmd) { 245 case WSMOUSEIO_GTYPE: 246 *(u_int *)data = WSMOUSE_TYPE_PS2; /* XXX */ 247 break; 248 249 default: 250 return (EPASSTHROUGH); 251 } 252 return (0); 253 } 254 255 int 256 sunms_enable(v) 257 void *v; 258 { 259 struct ms_softc *ms = v; 260 int err; 261 int s; 262 263 if (ms->ms_ready) 264 return EBUSY; 265 266 err = sunmsiopen(v, 0); 267 if (err) 268 return err; 269 270 s = spltty(); 271 ms->ms_ready = 2; 272 splx(s); 273 274 return 0; 275 } 276 277 void 278 sunms_disable(v) 279 void *v; 280 { 281 struct ms_softc *ms = v; 282 int s; 283 284 s = spltty(); 285 ms->ms_ready = 0; 286 splx(s); 287 } 288 #endif 289