/* $NetBSD: sunms.c,v 1.35 2021/08/07 16:19:16 thorpej Exp $ */ /* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Lawrence Berkeley Laboratory. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ms.c 8.1 (Berkeley) 6/11/93 */ /* * Mouse driver (/dev/mouse) */ /* * Zilog Z8530 Dual UART driver (mouse interface) * * This is the "slave" driver that will be attached to * the "zsc" driver for a Sun mouse. */ #include __KERNEL_RCSID(0, "$NetBSD: sunms.c,v 1.35 2021/08/07 16:19:16 thorpej Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ms.h" #include "wsmouse.h" #if NMS > 0 #ifdef SUN_MS_BPS int sunms_bps = SUN_MS_BPS; #else int sunms_bps = MS_DEFAULT_BPS; #endif static int sunms_match(device_t, cfdata_t, void *); static void sunms_attach(device_t, device_t, void *); static int sunmsiopen(device_t, int mode); int sunmsinput(int, struct tty *); CFATTACH_DECL_NEW(ms_tty, sizeof(struct ms_softc), sunms_match, sunms_attach, NULL, NULL); struct linesw sunms_disc = { .l_name = "sunms", .l_open = ttylopen, .l_close = ttylclose, .l_read = ttyerrio, .l_write = ttyerrio, .l_ioctl = ttynullioctl, .l_rint = sunmsinput, .l_start = ttstart, .l_modem = nullmodem, .l_poll = ttpoll }; int sunms_enable(void *); int sunms_ioctl(void *, u_long, void *, int, struct lwp *); void sunms_disable(void *); const struct wsmouse_accessops sunms_accessops = { sunms_enable, sunms_ioctl, sunms_disable, }; /* * ms_match: how is this zs channel configured? */ int sunms_match(device_t parent, cfdata_t cf, void *aux) { struct kbd_ms_tty_attach_args *args = aux; if (sunms_bps == 0) return 0; if (strcmp(args->kmta_name, "mouse") == 0) return (1); return 0; } void sunms_attach(device_t parent, device_t self, void *aux) { struct ms_softc *ms = device_private(self); struct kbd_ms_tty_attach_args *args = aux; struct tty *tp = args->kmta_tp; #if NWSMOUSE > 0 struct wsmousedev_attach_args a; #endif ms->ms_dev = self; tp->t_sc = ms; tp->t_dev = args->kmta_dev; ms->ms_priv = tp; ms->ms_deviopen = sunmsiopen; ms->ms_deviclose = NULL; aprint_normal("\n"); /* Initialize the speed, etc. */ if (ttyldisc_attach(&sunms_disc) != 0) panic("sunms_attach: sunms_disc"); ttyldisc_release(tp->t_linesw); tp->t_linesw = ttyldisc_lookup(sunms_disc.l_name); KASSERT(tp->t_linesw == &sunms_disc); tp->t_oflag &= ~OPOST; SET(tp->t_state, TS_KERN_ONLY); /* Initialize translator. */ ms->ms_byteno = -1; #if NWSMOUSE > 0 /* * attach wsmouse */ a.accessops = &sunms_accessops; a.accesscookie = ms; ms->ms_wsmousedev = config_found(self, &a, wsmousedevprint, CFARGS_NONE); #endif } /* * Internal open routine. This really should be inside com.c * But I'm putting it here until we have a generic internal open * mechanism. */ int sunmsiopen(device_t dev, int flags) { struct ms_softc *ms = device_private(dev); struct tty *tp = ms->ms_priv; struct lwp *l = curlwp ? curlwp : &lwp0; struct termios t; int error; /* Open the lower device */ CLR(tp->t_state, TS_KERN_ONLY); if ((error = cdev_open(tp->t_dev, O_NONBLOCK|flags, 0/* ignored? */, l)) != 0) return (error); /* Now configure it for the console. */ tp->t_ospeed = 0; t.c_ispeed = sunms_bps; t.c_ospeed = sunms_bps; t.c_cflag = CLOCAL|CS8; (*tp->t_param)(tp, &t); SET(tp->t_state, TS_KERN_ONLY); return (0); } int sunmsinput(int c, struct tty *tp) { struct ms_softc *ms = tp->t_sc; if (c & TTY_ERRORMASK) c = -1; else c &= TTY_CHARMASK; /* Pass this up to the "middle" layer. */ ms_input(ms, c); return (0); } int sunms_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l) { /* struct ms_softc *sc = v; */ switch (cmd) { case WSMOUSEIO_GTYPE: *(u_int *)data = WSMOUSE_TYPE_PS2; /* XXX */ break; default: return (EPASSTHROUGH); } return (0); } int sunms_enable(void *v) { struct ms_softc *ms = v; int err; int s; if (ms->ms_ready) return EBUSY; err = sunmsiopen(ms->ms_dev, 0); if (err) return err; s = spltty(); ms->ms_ready = 2; splx(s); return 0; } void sunms_disable(void *v) { struct ms_softc *ms = v; int s; s = spltty(); ms->ms_ready = 0; splx(s); } #endif