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Annotation of sys/arch/i386/isa/joy_isapnp.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: joy_isapnp.c,v 1.7 2007/08/01 13:18:18 martin Exp $   */
        !             2: /*     $NetBSD: joy.c,v 1.3 1996/05/05 19:46:15 christos Exp $ */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 1995 Jean-Marc Zucconi
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Ported to NetBSD by Matthieu Herrb <matthieu@laas.fr>
        !             9:  *
        !            10:  * Redistribution and use in source and binary forms, with or without
        !            11:  * modification, are permitted provided that the following conditions
        !            12:  * are met:
        !            13:  * 1. Redistributions of source code must retain the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer
        !            15:  *    in this position and unchanged.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. The name of the author may not be used to endorse or promote products
        !            20:  *    derived from this software without specific prior written permission
        !            21:  *
        !            22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            32:  *
        !            33:  */
        !            34:
        !            35: #include <sys/param.h>
        !            36: #include <sys/systm.h>
        !            37: #include <sys/kernel.h>
        !            38: #include <sys/device.h>
        !            39: #include <sys/errno.h>
        !            40:
        !            41: #include <machine/cpu.h>
        !            42: #include <machine/pio.h>
        !            43: #include <machine/cpufunc.h>
        !            44: #include <machine/joystick.h>
        !            45: #include <machine/conf.h>
        !            46:
        !            47: #include <dev/isa/isavar.h>
        !            48: #include <dev/isa/isareg.h>
        !            49: #include <dev/ic/i8253reg.h>
        !            50: #include <i386/isa/joyreg.h>
        !            51:
        !            52: int            joy_isapnp_probe(struct device *, void *, void *);
        !            53: void           joy_isapnp_attach(struct device *, struct device *, void *);
        !            54:
        !            55: struct cfattach joy_isapnp_ca = {
        !            56:        sizeof(struct joy_softc), joy_isapnp_probe, joy_isapnp_attach
        !            57: };
        !            58:
        !            59: int
        !            60: joy_isapnp_probe(struct device *parent, void *match, void *aux)
        !            61: {
        !            62:        return (1);
        !            63: }
        !            64:
        !            65: void
        !            66: joy_isapnp_attach(struct device *parent, struct device *self, void *aux)
        !            67: {
        !            68:        struct joy_softc *sc = (void *) self;
        !            69:        struct isa_attach_args *ia = aux;
        !            70:        int iobase = ia->ipa_io[0].base;
        !            71:
        !            72:        sc->port = iobase;
        !            73:        sc->timeout[0] = sc->timeout[1] = 0;
        !            74:        outb(iobase, 0xff);
        !            75:        DELAY(10000);           /* 10 ms delay */
        !            76: #if 0
        !            77:        printf(": joystick%sconnected\n",
        !            78:            (inb(iobase) & 0x0f) == 0x0f ? " not " : " ");
        !            79: #else
        !            80:        printf("\n");
        !            81: #endif
        !            82: }