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fdc_pnpbios.c revision 1.1 
      1 /*	$NetBSD: fdc_pnpbios.c,v 1.1 2000/04/23 17:50:00 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      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  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * PNPBIOS attachment for the PC Floppy Controller driver.
     41  */
     42 
     43 #include "rnd.h"
     44 
     45 #include <sys/param.h>
     46 #include <sys/systm.h>
     47 #include <sys/callout.h>
     48 #include <sys/device.h>
     49 #include <sys/buf.h>
     50 #include <sys/queue.h>
     51 #if NRND > 0
     52 #include <sys/rnd.h>
     53 #endif
     54 
     55 #include <machine/bus.h>
     56 #include <machine/intr.h>
     57 
     58 #include <dev/isa/isavar.h>
     59 #include <dev/isa/isadmavar.h>
     60 
     61 #include <dev/isa/fdcvar.h>
     62 
     63 #include <i386/pnpbios/pnpbiosvar.h>
     64 
     65 int	fdc_pnpbios_match(struct device *, struct cfdata *, void *);
     66 void	fdc_pnpbios_attach(struct device *, struct device *, void *);
     67 
     68 struct cfattach fdc_pnpbios_ca = {
     69 	sizeof(struct fdc_softc), fdc_pnpbios_match,
     70 	    fdc_pnpbios_attach,
     71 };
     72 
     73 int
     74 fdc_pnpbios_match(struct device *parent,
     75     struct cfdata *match,
     76     void *aux)
     77 {
     78 	struct pnpbiosdev_attach_args *aa = aux;
     79 
     80 	if (strcmp(aa->idstr, "PNP0700") == 0)
     81 		return (1);
     82 
     83 	return (0);
     84 }
     85 
     86 void
     87 fdc_pnpbios_attach(struct device *parent,
     88     struct device *self,
     89     void *aux)
     90 {
     91 	struct fdc_softc *fdc = (void *) self;
     92 	struct pnpbiosdev_attach_args *aa = aux;
     93 
     94 	printf("\n");
     95 
     96 	fdc->sc_ic = aa->ic;
     97 
     98 	if (pnpbios_io_map(aa->pbt, aa->resc, 0, &fdc->sc_iot, &fdc->sc_ioh)) {
     99 		printf("%s: unable to map I/O space\n", fdc->sc_dev.dv_xname);
    100 		return;
    101 	}
    102 
    103 	if (pnpbios_io_map(aa->pbt, aa->resc, 1, &fdc->sc_iot,
    104 	    &fdc->sc_fdctlioh)) {
    105 		printf("%s: unable to map CTL I/O space\n",
    106 		    fdc->sc_dev.dv_xname);
    107 		return;
    108 	}
    109 
    110 	if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &fdc->sc_drq)) {
    111 		printf("%s: unable to get DMA channel\n",
    112 		    fdc->sc_dev.dv_xname);
    113 		return;
    114 	}
    115 
    116 	pnpbios_print_devres(self, aa);
    117 
    118 	fdc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_BIO,
    119 	    fdcintr, fdc);
    120 
    121 	fdcattach(fdc);
    122 }
    123