/* $NetBSD: qvms.c,v 1.1 2015/07/05 03:07:21 matt Exp $ */ /* Copyright (c) 2015 Charles H. Dickman. All rights reserved. * Derived from dzms.c * * 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 QVSS */ #include __KERNEL_RCSID(0, "$NetBSD: qvms.c,v 1.1 2015/07/05 03:07:21 matt Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "locators.h" struct qvms_softc { /* driver status information */ struct device qvms_dev; /* required first: base device */ struct qvaux_linestate *qvms_ls; int sc_enabled; /* input enabled? */ int sc_selftest; int inputstate; u_int buttons; int dx, dy; device_t sc_wsmousedev; }; static int qvms_match(device_t, cfdata_t, void *); static void qvms_attach(device_t, device_t, void *); static int qvms_input(void *, int); CFATTACH_DECL_NEW(qvms, sizeof(struct qvms_softc), qvms_match, qvms_attach, NULL, NULL); static int qvms_enable(void *); static int qvms_ioctl(void *, u_long, void *, int, struct lwp *); static void qvms_disable(void *); const struct wsmouse_accessops qvms_accessops = { qvms_enable, qvms_ioctl, qvms_disable, }; static int qvms_match(device_t parent, cfdata_t cf, void *aux) { struct qvauxkm_attach_args *daa = aux; /* Exact match is better than wildcard. */ if (cf->cf_loc[QVAUXCF_LINE] == daa->daa_line) return 2; /* This driver accepts wildcard. */ if (cf->cf_loc[QVAUXCF_LINE] == QVAUXCF_LINE_DEFAULT) return 1; return 0; } static void qvms_attach(device_t parent, device_t self, void *aux) { struct qvaux_softc *qvaux = device_private(parent); struct qvms_softc *qvms = device_private(self); struct qvauxkm_attach_args *daa = aux; struct qvaux_linestate *ls; struct wsmousedev_attach_args a; qvaux->sc_qvaux[daa->daa_line].qvaux_catch = qvms_input; qvaux->sc_qvaux[daa->daa_line].qvaux_private = qvms; ls = &qvaux->sc_qvaux[daa->daa_line]; qvms->qvms_ls = ls; printf("\n"); a.accessops = &qvms_accessops; a.accesscookie = qvms; qvms->sc_enabled = 0; qvms->sc_selftest = 0; qvms->sc_wsmousedev = config_found(self, &a, wsmousedevprint); } static int qvms_enable(void *v) { struct qvms_softc *sc = v; if (sc->sc_enabled) return EBUSY; sc->sc_selftest = 4; /* wait for 4 byte reply upto 1/2 sec */ qvauxputc(sc->qvms_ls, MOUSE_SELF_TEST); (void)tsleep(qvms_enable, TTIPRI, "qvmsopen", hz / 2); if (sc->sc_selftest != 0) { sc->sc_selftest = 0; return ENXIO; } DELAY(150); qvauxputc(sc->qvms_ls, MOUSE_INCREMENTAL); sc->sc_enabled = 1; sc->inputstate = 0; return 0; } static void qvms_disable(void *v) { struct qvms_softc *sc = v; sc->sc_enabled = 0; } static int qvms_ioctl(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 qvms_input(void *vsc, int data) { struct qvms_softc *sc = vsc; if (sc->sc_enabled == 0) { if (sc->sc_selftest > 0) { sc->sc_selftest -= 1; if (sc->sc_selftest == 0) wakeup(qvms_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); }