Annotation of sys/arch/vax/vxt/qscms.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: qscms.c,v 1.1 2006/08/27 16:55:41 miod Exp $ */
! 2: /* from OpenBSD: qscms.c,v 1.6 2006/07/31 18:50:13 miod Exp */
! 3: /*
! 4: * Copyright (c) 2006 Miodrag Vallat.
! 5: *
! 6: * Permission to use, copy, modify, and distribute this software for any
! 7: * purpose with or without fee is hereby granted, provided that the above
! 8: * copyright notice, this permission notice, and the disclaimer below
! 9: * appear in all copies.
! 10: *
! 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 18: */
! 19: /*
! 20: * Copyright (c) 1992, 1993
! 21: * The Regents of the University of California. All rights reserved.
! 22: *
! 23: * This software was developed by the Computer Systems Engineering group
! 24: * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
! 25: * contributed to Berkeley.
! 26: *
! 27: * All advertising materials mentioning features or use of this software
! 28: * must display the following acknowledgement:
! 29: * This product includes software developed by the University of
! 30: * California, Lawrence Berkeley Laboratory.
! 31: *
! 32: * Redistribution and use in source and binary forms, with or without
! 33: * modification, are permitted provided that the following conditions
! 34: * are met:
! 35: * 1. Redistributions of source code must retain the above copyright
! 36: * notice, this list of conditions and the following disclaimer.
! 37: * 2. Redistributions in binary form must reproduce the above copyright
! 38: * notice, this list of conditions and the following disclaimer in the
! 39: * documentation and/or other materials provided with the distribution.
! 40: * 3. Neither the name of the University nor the names of its contributors
! 41: * may be used to endorse or promote products derived from this software
! 42: * without specific prior written permission.
! 43: *
! 44: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 45: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 46: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 47: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 48: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 49: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 50: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 51: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 52: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 53: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 54: * SUCH DAMAGE.
! 55: *
! 56: * @(#)ms.c 8.1 (Berkeley) 6/11/93
! 57: */
! 58:
! 59: /*
! 60: * VSXXX mice attached to line D of the SC26C94
! 61: */
! 62:
! 63: #include <sys/param.h>
! 64: #include <sys/systm.h>
! 65: #include <sys/device.h>
! 66: #include <sys/ioctl.h>
! 67: #include <sys/syslog.h>
! 68: #include <sys/kernel.h>
! 69: #include <sys/proc.h>
! 70: #include <sys/tty.h>
! 71:
! 72: #include <machine/bus.h>
! 73:
! 74: #include <vax/qbus/dzreg.h>
! 75: #include <vax/qbus/dzvar.h>
! 76:
! 77: #include <vax/vxt/qscvar.h>
! 78: #include <vax/dec/vsmsvar.h>
! 79:
! 80: #include <dev/wscons/wsconsio.h>
! 81: #include <dev/wscons/wsmousevar.h>
! 82:
! 83: struct qscms_softc {
! 84: struct lkms_softc sc_base;
! 85: u_int sc_line;
! 86: };
! 87:
! 88: int qscms_match(struct device *, void *, void *);
! 89: void qscms_attach(struct device *, struct device *, void *);
! 90:
! 91: struct cfattach qscms_ca = {
! 92: sizeof(struct qscms_softc), qscms_match, qscms_attach,
! 93: };
! 94:
! 95: int qscms_enable(void *);
! 96: void qscms_disable(void *);
! 97:
! 98: const struct wsmouse_accessops qscms_accessops = {
! 99: qscms_enable,
! 100: lkms_ioctl,
! 101: qscms_disable,
! 102: };
! 103:
! 104: int
! 105: qscms_match(struct device *parent, void *vcf, void *aux)
! 106: {
! 107: struct qsc_attach_args *qa = aux;
! 108: struct cfdata *cf = vcf;
! 109:
! 110: if (cf->cf_loc[0] == qa->qa_line)
! 111: return 1;
! 112:
! 113: return 0;
! 114: }
! 115:
! 116: void
! 117: qscms_attach(struct device *parent, struct device *self, void *aux)
! 118: {
! 119: struct qscms_softc *qscms = (void *)self;
! 120: struct lkms_softc *sc = (void *)self;
! 121: struct qsc_attach_args *qa = aux;
! 122: struct wsmousedev_attach_args a;
! 123:
! 124: qa->qa_hook->fn = lkms_input;
! 125: qa->qa_hook->arg = self;
! 126: qscms->sc_line = qa->qa_line;
! 127:
! 128: printf("\n");
! 129:
! 130: a.accessops = &qscms_accessops;
! 131: a.accesscookie = qscms;
! 132:
! 133: sc->sc_enabled = 0;
! 134: sc->sc_selftest = 0;
! 135: sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
! 136: }
! 137:
! 138: int
! 139: qscms_enable(void *v)
! 140: {
! 141: struct qscms_softc *qscms = v;
! 142: struct lkms_softc *sc = v;
! 143:
! 144: if (sc->sc_enabled)
! 145: return EBUSY;
! 146:
! 147: sc->sc_selftest = 4; /* wait for 4 byte reply upto 1/2 sec */
! 148: qscputc(qscms->sc_line, MOUSE_SELF_TEST);
! 149: (void)tsleep(&sc->sc_enabled, TTIPRI, "qscmsopen", hz / 2);
! 150: if (sc->sc_selftest != 0) {
! 151: sc->sc_selftest = 0;
! 152: return ENXIO;
! 153: }
! 154: DELAY(150);
! 155: qscputc(qscms->sc_line, MOUSE_INCREMENTAL);
! 156: sc->sc_enabled = 1;
! 157: sc->inputstate = 0;
! 158: return 0;
! 159: }
! 160:
! 161: void
! 162: qscms_disable(void *v)
! 163: {
! 164: struct lkms_softc *sc = v;
! 165:
! 166: sc->sc_enabled = 0;
! 167: }
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