Annotation of sys/arch/vax/dec/dzms.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: dzms.c,v 1.7 2006/08/27 16:52:15 miod Exp $ */
! 2: /* $NetBSD: dzms.c,v 1.1 2000/12/02 17:03:55 ragge Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1992, 1993
! 6: * The Regents of the University of California. All rights reserved.
! 7: *
! 8: * This software was developed by the Computer Systems Engineering group
! 9: * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
! 10: * contributed to Berkeley.
! 11: *
! 12: * All advertising materials mentioning features or use of this software
! 13: * must display the following acknowledgement:
! 14: * This product includes software developed by the University of
! 15: * California, Lawrence Berkeley Laboratory.
! 16: *
! 17: * Redistribution and use in source and binary forms, with or without
! 18: * modification, are permitted provided that the following conditions
! 19: * are met:
! 20: * 1. Redistributions of source code must retain the above copyright
! 21: * notice, this list of conditions and the following disclaimer.
! 22: * 2. Redistributions in binary form must reproduce the above copyright
! 23: * notice, this list of conditions and the following disclaimer in the
! 24: * documentation and/or other materials provided with the distribution.
! 25: * 3. Neither the name of the University nor the names of its contributors
! 26: * may be used to endorse or promote products derived from this software
! 27: * without specific prior written permission.
! 28: *
! 29: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 30: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 31: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 32: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 33: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 34: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 35: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 36: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 37: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 38: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 39: * SUCH DAMAGE.
! 40: *
! 41: * @(#)ms.c 8.1 (Berkeley) 6/11/93
! 42: */
! 43:
! 44: /*
! 45: * VSXXX mice attached to line 1 of the DZ*
! 46: */
! 47:
! 48: #include <sys/param.h>
! 49: #include <sys/systm.h>
! 50: #include <sys/device.h>
! 51: #include <sys/ioctl.h>
! 52: #include <sys/syslog.h>
! 53: #include <sys/kernel.h>
! 54: #include <sys/proc.h>
! 55: #include <sys/tty.h>
! 56:
! 57: #include <machine/bus.h>
! 58:
! 59: #include <vax/qbus/dzreg.h>
! 60: #include <vax/qbus/dzvar.h>
! 61:
! 62: #include <vax/dec/dzkbdvar.h>
! 63: #include <vax/dec/vsmsvar.h>
! 64:
! 65: #include <dev/wscons/wsconsio.h>
! 66: #include <dev/wscons/wsmousevar.h>
! 67:
! 68: struct dzms_softc { /* driver status information */
! 69: struct lkms_softc sc_base;
! 70: struct dz_linestate *dzms_ls;
! 71: };
! 72:
! 73: int dzms_match(struct device *, struct cfdata *, void *);
! 74: void dzms_attach(struct device *, struct device *, void *);
! 75:
! 76: struct cfattach dzms_ca = {
! 77: sizeof(struct dzms_softc), (cfmatch_t)dzms_match, dzms_attach,
! 78: };
! 79:
! 80: int dzms_enable(void *);
! 81: void dzms_disable(void *);
! 82:
! 83: const struct wsmouse_accessops dzms_accessops = {
! 84: dzms_enable,
! 85: lkms_ioctl,
! 86: dzms_disable,
! 87: };
! 88:
! 89: int
! 90: dzms_match(struct device *parent, struct cfdata *cf, void *aux)
! 91: {
! 92: struct dzkm_attach_args *daa = aux;
! 93:
! 94: #define DZCF_LINE 0
! 95: #define DZCF_LINE_DEFAULT 1
! 96:
! 97: /* Exact match is better than wildcard. */
! 98: if (cf->cf_loc[DZCF_LINE] == daa->daa_line)
! 99: return 2;
! 100:
! 101: /* This driver accepts wildcard. */
! 102: if (cf->cf_loc[DZCF_LINE] == DZCF_LINE_DEFAULT)
! 103: return 1;
! 104:
! 105: return 0;
! 106: }
! 107:
! 108: void
! 109: dzms_attach(struct device *parent, struct device *self, void *aux)
! 110: {
! 111: struct dz_softc *dz = (void *)parent;
! 112: struct dzms_softc *dzms = (void *)self;
! 113: struct lkms_softc *sc = (void *)self;
! 114: struct dzkm_attach_args *daa = aux;
! 115: struct dz_linestate *ls;
! 116: struct wsmousedev_attach_args a;
! 117:
! 118: dz->sc_dz[daa->daa_line].dz_catch = lkms_input;
! 119: dz->sc_dz[daa->daa_line].dz_private = dzms;
! 120: ls = &dz->sc_dz[daa->daa_line];
! 121: dzms->dzms_ls = ls;
! 122:
! 123: printf("\n");
! 124:
! 125: a.accessops = &dzms_accessops;
! 126: a.accesscookie = dzms;
! 127:
! 128: sc->sc_enabled = 0;
! 129: sc->sc_selftest = 0;
! 130: sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
! 131: }
! 132:
! 133: int
! 134: dzms_enable(void *v)
! 135: {
! 136: struct dzms_softc *dzms = v;
! 137: struct lkms_softc *sc = v;
! 138:
! 139: if (sc->sc_enabled)
! 140: return EBUSY;
! 141:
! 142: sc->sc_selftest = 4; /* wait for 4 byte reply upto 1/2 sec */
! 143: dzputc(dzms->dzms_ls, MOUSE_SELF_TEST);
! 144: (void)tsleep(&sc->sc_enabled, TTIPRI, "dzmsopen", hz / 2);
! 145: if (sc->sc_selftest != 0) {
! 146: sc->sc_selftest = 0;
! 147: return ENXIO;
! 148: }
! 149: DELAY(150);
! 150: dzputc(dzms->dzms_ls, MOUSE_INCREMENTAL);
! 151: sc->sc_enabled = 1;
! 152: sc->inputstate = 0;
! 153: return 0;
! 154: }
! 155:
! 156: void
! 157: dzms_disable(void *v)
! 158: {
! 159: struct lkms_softc *sc = v;
! 160:
! 161: sc->sc_enabled = 0;
! 162: }
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