FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/lpt_puc.c

     /*      $NetBSD: lpt_puc.c,v 1.6 2002/10/02 16:51:43 thorpej Exp $      */
     
     /*
      * Copyright (c) 1998 Christopher G. Demetriou.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Christopher G. Demetriou
     *      for the NetBSD Project.
     * 4. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    /*
     * Machine-independent parallel port ('lpt') driver attachment to "PCI 
     * Universal Communications" controller driver.
     *
     * Author: Christopher G. Demetriou, May 17, 1998.
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: lpt_puc.c,v 1.6 2002/10/02 16:51:43 thorpej Exp $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/device.h>
    
    #include <machine/bus.h>
    
    #include <dev/pci/pcivar.h>
    #include <dev/pci/pucvar.h>
    #include <dev/ic/lptvar.h>
    
    int     lpt_puc_probe __P((struct device *, struct cfdata *, void *));
    void    lpt_puc_attach __P((struct device *, struct device *, void *));
    
    CFATTACH_DECL(lpt_puc, sizeof(struct lpt_softc),
        lpt_puc_probe, lpt_puc_attach, NULL, NULL);
    
    int
    lpt_puc_probe(parent, match, aux)
            struct device *parent;
            struct cfdata *match;
            void *aux;
    {
            struct puc_attach_args *aa = aux;
    
            /*
             * Locators already matched, just check the type.
             */
            if (aa->type != PUC_PORT_TYPE_LPT)
                    return (0);
    
            return (1);
    }
    
    void
    lpt_puc_attach(parent, self, aux)
            struct device *parent, *self;
            void *aux;
    {
            struct lpt_softc *sc = (void *)self;
            struct puc_attach_args *aa = aux;
            const char *intrstr;
    
            sc->sc_iot = aa->t;
            sc->sc_ioh = aa->h;
    
            intrstr = pci_intr_string(aa->pc, aa->intrhandle);
            sc->sc_ih = pci_intr_establish(aa->pc, aa->intrhandle, IPL_TTY,
                lptintr, sc);
            if (sc->sc_ih == NULL) {
                    printf(": couldn't establish interrupt");
                    if (intrstr != NULL)
                            printf(" at %s", intrstr);
                    printf("\n");
                    return;
            }
            printf(": interrupting at %s\n", intrstr);
    
           lpt_attach_subr(sc);
   }

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