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joy_isapnp.c revision 1.11.4.1 
      1 /*	$NetBSD: joy_isapnp.c,v 1.11.4.1 2008/05/16 02:24:33 yamt 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: joy_isapnp.c,v 1.11.4.1 2008/05/16 02:24:33 yamt Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/kernel.h>
     38 #include <sys/device.h>
     39 
     40 #include <sys/bus.h>
     41 
     42 #include <dev/isa/isavar.h>
     43 #include <dev/isapnp/isapnpreg.h>
     44 #include <dev/isapnp/isapnpvar.h>
     45 #include <dev/isapnp/isapnpdevs.h>
     46 
     47 #include <dev/ic/joyvar.h>
     48 
     49 static int	joy_isapnp_match(device_t, cfdata_t, void *);
     50 static void	joy_isapnp_attach(device_t, device_t, void *);
     51 
     52 CFATTACH_DECL_NEW(joy_isapnp, sizeof(struct joy_softc),
     53     joy_isapnp_match, joy_isapnp_attach, NULL, NULL);
     54 
     55 static int
     56 joy_isapnp_match(device_t parent, cfdata_t match, void *aux)
     57 {
     58 	int pri, variant;
     59 
     60 	pri = isapnp_devmatch(aux, &isapnp_joy_devinfo, &variant);
     61 	if (pri && variant > 0)
     62 		pri = 0;
     63 	return pri;
     64 }
     65 
     66 static void
     67 joy_isapnp_attach(device_t parent, device_t self, void *aux)
     68 {
     69 	struct joy_softc *sc = device_private(self);
     70 	struct isapnp_attach_args *ipa = aux;
     71 	bus_space_handle_t ioh;
     72 
     73 	aprint_normal("\n");
     74 
     75 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
     76 		aprint_error_dev(self, "error in region allocation\n");
     77 		return;
     78 	}
     79 
     80 	if (ipa->ipa_io[0].length == 8) {
     81 		if (bus_space_subregion(ipa->ipa_iot, ipa->ipa_io[0].h, 1, 1,
     82 		    &ioh) < 0) {
     83 			aprint_error_dev(self, "error in region allocation\n");
     84 			return;
     85 		}
     86 	} else
     87 		ioh = ipa->ipa_io[0].h;
     88 
     89 	sc->sc_iot = ipa->ipa_iot;
     90 	sc->sc_ioh = ioh;
     91 	sc->sc_dev = self;
     92 
     93 	aprint_normal_dev(self, "%s %s\n", ipa->ipa_devident,
     94 	    ipa->ipa_devclass);
     95 
     96 	joyattach(sc);
     97 }
     98