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joy_isapnp.c revision 1.10 
      1 /*	$NetBSD: joy_isapnp.c,v 1.10 2007/10/19 12:00:32 ad Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996 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 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: joy_isapnp.c,v 1.10 2007/10/19 12:00:32 ad Exp $");
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/kernel.h>
     45 #include <sys/device.h>
     46 
     47 #include <sys/bus.h>
     48 
     49 #include <dev/isa/isavar.h>
     50 #include <dev/isapnp/isapnpreg.h>
     51 #include <dev/isapnp/isapnpvar.h>
     52 #include <dev/isapnp/isapnpdevs.h>
     53 
     54 #include <dev/ic/joyvar.h>
     55 
     56 int	joy_isapnp_match(struct device *, struct cfdata *, void *);
     57 void	joy_isapnp_attach(struct device *, struct device *, void *);
     58 
     59 CFATTACH_DECL(joy_isapnp, sizeof(struct joy_softc),
     60     joy_isapnp_match, joy_isapnp_attach, NULL, NULL);
     61 
     62 int
     63 joy_isapnp_match(struct device *parent, struct cfdata *match,
     64     void *aux)
     65 {
     66 	int pri, variant;
     67 
     68 	pri = isapnp_devmatch(aux, &isapnp_joy_devinfo, &variant);
     69 	if (pri && variant > 0)
     70 		pri = 0;
     71 	return (pri);
     72 }
     73 
     74 void
     75 joy_isapnp_attach(struct device *parent, struct device *self,
     76     void *aux)
     77 {
     78 	struct joy_softc *sc = device_private(self);
     79 	struct isapnp_attach_args *ipa = aux;
     80 	bus_space_handle_t ioh;
     81 
     82 	printf("\n");
     83 
     84 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
     85 		printf("%s: error in region allocation\n",
     86 		    sc->sc_dev.dv_xname);
     87 		return;
     88 	}
     89 
     90 	if (ipa->ipa_io[0].length == 8) {
     91 		if (bus_space_subregion(ipa->ipa_iot, ipa->ipa_io[0].h, 1, 1,
     92 		    &ioh) < 0) {
     93 			printf("%s: error in region allocation\n",
     94 			    sc->sc_dev.dv_xname);
     95 			return;
     96 		}
     97 	} else
     98 		ioh = ipa->ipa_io[0].h;
     99 
    100 	sc->sc_iot = ipa->ipa_iot;
    101 	sc->sc_ioh = ioh;
    102 
    103 	printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident,
    104 	    ipa->ipa_devclass);
    105 
    106 	joyattach(sc);
    107 }
    108