Home | History | Annotate | Line # | Download | only in isapnp
aic_isapnp.c revision 1.16 
      1 /*	$NetBSD: aic_isapnp.c,v 1.16 2008/04/08 20:09:27 cegger Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Enami Tsugutomo <enami (at) but-b.or.jp>
      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 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: aic_isapnp.c,v 1.16 2008/04/08 20:09:27 cegger Exp $");
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/device.h>
     45 
     46 #include <sys/bus.h>
     47 
     48 #include <dev/isa/isavar.h>
     49 
     50 #include <dev/isapnp/isapnpreg.h>
     51 #include <dev/isapnp/isapnpvar.h>
     52 #include <dev/isapnp/isapnpdevs.h>
     53 
     54 #include <dev/scsipi/scsipi_all.h>
     55 #include <dev/scsipi/scsipiconf.h>
     56 #include <dev/scsipi/scsi_all.h>
     57 
     58 #include <dev/ic/aic6360var.h>
     59 
     60 struct aic_isapnp_softc {
     61 	struct	aic_softc sc_aic;	/* real "com" softc */
     62 
     63 	/* ISAPnP-specific goo. */
     64 	void	*sc_ih;			/* interrupt handler */
     65 };
     66 
     67 int	aic_isapnp_match(struct device *, struct cfdata *, void *);
     68 void	aic_isapnp_attach(struct device *, struct device *, void *);
     69 
     70 CFATTACH_DECL(aic_isapnp, sizeof(struct aic_isapnp_softc),
     71     aic_isapnp_match, aic_isapnp_attach, NULL, NULL);
     72 
     73 int
     74 aic_isapnp_match(struct device *parent, struct cfdata *match,
     75     void *aux)
     76 {
     77 	int pri, variant;
     78 
     79 	pri = isapnp_devmatch(aux, &isapnp_aic_devinfo, &variant);
     80 	if (pri && variant > 0)
     81 		pri = 0;
     82 	return (pri);
     83 }
     84 
     85 void
     86 aic_isapnp_attach(struct device *parent, struct device *self,
     87     void *aux)
     88 {
     89 	struct aic_isapnp_softc *isc = device_private(self);
     90 	struct aic_softc *sc = &isc->sc_aic;
     91 	struct isapnp_attach_args *ipa = aux;
     92 
     93 	printf("\n");
     94 
     95 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
     96 		aprint_error_dev(&sc->sc_dev, "error in region allocation\n");
     97 		return;
     98 	}
     99 
    100 	sc->sc_iot = ipa->ipa_iot;
    101 	sc->sc_ioh = ipa->ipa_io[0].h;
    102 
    103 	if (!aic_find(sc->sc_iot, sc->sc_ioh)) {
    104 		aprint_error_dev(&sc->sc_dev, "couldn't find device\n");
    105 		return;
    106 	}
    107 
    108 	aicattach(sc);
    109 
    110 	/* Establish the interrupt handler. */
    111 	isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
    112 	    ipa->ipa_irq[0].type, IPL_BIO, aicintr, sc);
    113 	if (isc->sc_ih == NULL)
    114 		aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt\n");
    115 }
    116