/* $NetBSD: dzms.c,v 1.16 2007/03/04 06:01:45 christos 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 */ /* * VSXXX mice attached to line 1 of the DZ* */ #include __KERNEL_RCSID(0, "$NetBSD: dzms.c,v 1.16 2007/03/04 06:01:45 christos Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "locators.h" struct dzms_softc { /* driver status information */ struct device dzms_dev; /* required first: base device */ struct dz_linestate *dzms_ls; int sc_enabled; /* input enabled? */ int sc_selftest; int inputstate; u_int buttons; int dx, dy; struct device *sc_wsmousedev; }; static int dzms_match(struct device *, struct cfdata *, void *); static void dzms_attach(struct device *, struct device *, void *); static int dzms_input(void *, int); CFATTACH_DECL(dzms, sizeof(struct dzms_softc), dzms_match, dzms_attach, NULL, NULL); static int dzms_enable(void *); static int dzms_ioctl(void *, u_long, void *, int, struct lwp *); static void dzms_disable(void *); const struct wsmouse_accessops dzms_accessops = { dzms_enable, dzms_ioctl, dzms_disable, }; static int dzms_match(parent, cf, aux) struct device *parent; struct cfdata *cf; void *aux; { struct dzkm_attach_args *daa = aux; /* Exact match is better than wildcard. */ if (cf->cf_loc[DZCF_LINE] == daa->daa_line) return 2; /* This driver accepts wildcard. */ if (cf->cf_loc[DZCF_LINE] == DZCF_LINE_DEFAULT) return 1; return 0; } static void dzms_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct dz_softc *dz = device_private(parent); struct dzms_softc *dzms = device_private(self); struct dzkm_attach_args *daa = aux; struct dz_linestate *ls; struct wsmousedev_attach_args a; dz->sc_dz[daa->daa_line].dz_catch = dzms_input; dz->sc_dz[daa->daa_line].dz_private = dzms; ls = &dz->sc_dz[daa->daa_line]; dzms->dzms_ls = ls; printf("\n"); a.accessops = &dzms_accessops; a.accesscookie = dzms; dzms->sc_enabled = 0; dzms->sc_selftest = 0; dzms->sc_wsmousedev = config_found(self, &a, wsmousedevprint); } static int dzms_enable(v) void *v; { struct dzms_softc *sc = v; if (sc->sc_enabled) return EBUSY; sc->sc_selftest = 4; /* wait for 4 byte reply upto 1/2 sec */ dzputc(sc->dzms_ls, MOUSE_SELF_TEST); (void)tsleep(dzms_enable, TTIPRI, "dzmsopen", hz / 2); if (sc->sc_selftest != 0) { sc->sc_selftest = 0; return ENXIO; } DELAY(150); dzputc(sc->dzms_ls, MOUSE_INCREMENTAL); sc->sc_enabled = 1; sc->inputstate = 0; return 0; } static void dzms_disable(v) void *v; { struct dzms_softc *sc = v; sc->sc_enabled = 0; } static int dzms_ioctl(v, cmd, data, flag, l) void *v; u_long cmd; void *data; int flag; struct lwp *l; { if (cmd == WSMOUSEIO_GTYPE) { *(u_int *)data = WSMOUSE_TYPE_VSXXX; return 0; } return EPASSTHROUGH; } static int dzms_input(vsc, data) void *vsc; int data; { struct dzms_softc *sc = vsc; if (sc->sc_enabled == 0) { if (sc->sc_selftest > 0) { sc->sc_selftest -= 1; if (sc->sc_selftest == 0) wakeup(dzms_enable); } return (1); } #define WSMS_BUTTON1 0x01 #define WSMS_BUTTON2 0x02 #define WSMS_BUTTON3 0x04 if ((data & MOUSE_START_FRAME) != 0) sc->inputstate = 1; else sc->inputstate++; if (sc->inputstate == 1) { sc->buttons = 0; if ((data & LEFT_BUTTON) != 0) sc->buttons |= WSMS_BUTTON1; if ((data & MIDDLE_BUTTON) != 0) sc->buttons |= WSMS_BUTTON2; if ((data & RIGHT_BUTTON) != 0) sc->buttons |= WSMS_BUTTON3; sc->dx = data & MOUSE_X_SIGN; sc->dy = data & MOUSE_Y_SIGN; } else if (sc->inputstate == 2) { if (sc->dx == 0) sc->dx = -data; else sc->dx = data; } else if (sc->inputstate == 3) { sc->inputstate = 0; if (sc->dy == 0) sc->dy = -data; else sc->dy = data; wsmouse_input(sc->sc_wsmousedev, sc->buttons, sc->dx, sc->dy, 0, 0, WSMOUSE_INPUT_DELTA); } return(1); }