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Annotation of sys/dev/puc/lpt_puc.c, Revision 1.1.1.1

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: }