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Annotation of sys/dev/puc/lpt_puc.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: lpt_puc.c,v 1.4 2006/07/31 11:06:36 mickey Exp $      */
        !             2: /*     $NetBSD: lpt_puc.c,v 1.1 1998/06/26 18:52:41 cgd Exp $  */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1998 Christopher G. Demetriou.  All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  * 3. All advertising materials mentioning features or use of this software
        !            16:  *    must display the following acknowledgement:
        !            17:  *      This product includes software developed by Christopher G. Demetriou
        !            18:  *     for the NetBSD Project.
        !            19:  * 4. 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:  * Machine-independent parallel port ('lpt') driver attachment to "PCI
        !            36:  * Universal Communications" controller driver.
        !            37:  *
        !            38:  * Author: Christopher G. Demetriou, May 17, 1998.
        !            39:  */
        !            40:
        !            41: #include <sys/types.h>
        !            42: #include <sys/param.h>
        !            43: #include <sys/systm.h>
        !            44: #include <sys/device.h>
        !            45:
        !            46: #include <machine/bus.h>
        !            47:
        !            48: #include <dev/pci/pucvar.h>
        !            49: #include <dev/ic/lptreg.h>
        !            50: #include <dev/ic/lptvar.h>
        !            51:
        !            52: int    lpt_puc_probe(struct device *, void *, void *);
        !            53: void   lpt_puc_attach(struct device *, struct device *, void *);
        !            54: int    lpt_puc_detach(struct device *, int);
        !            55:
        !            56: struct cfattach lpt_puc_ca = {
        !            57:        sizeof(struct lpt_softc), lpt_puc_probe, lpt_puc_attach, lpt_puc_detach
        !            58: };
        !            59:
        !            60: int
        !            61: lpt_puc_probe(parent, match, aux)
        !            62:        struct device *parent;
        !            63:        void *match, *aux;
        !            64: {
        !            65:        struct puc_attach_args *aa = aux;
        !            66:
        !            67:        /*
        !            68:         * Locators already matched, just check the type.
        !            69:         */
        !            70:        if (aa->type != PUC_PORT_TYPE_LPT)
        !            71:                return (0);
        !            72:
        !            73:        return (1);
        !            74: }
        !            75:
        !            76: void
        !            77: lpt_puc_attach(parent, self, aux)
        !            78:        struct device *parent, *self;
        !            79:        void *aux;
        !            80: {
        !            81:        struct lpt_softc *sc = (void *)self;
        !            82:        struct puc_attach_args *aa = aux;
        !            83:        const char *intrstr;
        !            84:
        !            85:        sc->sc_iot = aa->t;
        !            86:        sc->sc_ioh = aa->h;
        !            87:
        !            88:        intrstr = aa->intr_string(aa);
        !            89:        sc->sc_ih = aa->intr_establish(aa, IPL_TTY, lptintr, sc,
        !            90:            sc->sc_dev.dv_xname);
        !            91:        if (sc->sc_ih == NULL) {
        !            92:                printf(": couldn't establish interrupt");
        !            93:                if (intrstr != NULL)
        !            94:                        printf(" at %s", intrstr);
        !            95:                printf("\n");
        !            96:                return;
        !            97:        }
        !            98:        printf(": interrupting at %s", intrstr);
        !            99:
        !           100:        sc->sc_state = 0;
        !           101:
        !           102:        lpt_attach_common(sc);
        !           103: }
        !           104:
        !           105: int
        !           106: lpt_puc_detach(struct device *self, int flags)
        !           107: {
        !           108:
        !           109:        /* cardbus_intr_disestablish(psc->sc_cc, psc->sc_cf, csc->cc_ih); */
        !           110:
        !           111:        return (0);
        !           112: }