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      1 /*	$NetBSD: joy_isapnp.c,v 1.14 2011/12/05 19:20:54 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996, 2008 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 1.14 2011/12/05 19:20:54 christos 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 struct joy_isapnp_softc {
     50 	struct joy_softc sc_joy;
     51 	kmutex_t sc_lock;
     52 };
     53 
     54 static int	joy_isapnp_match(device_t, cfdata_t, void *);
     55 static void	joy_isapnp_attach(device_t, device_t, void *);
     56 
     57 CFATTACH_DECL_NEW(joy_isapnp, sizeof(struct joy_isapnp_softc),
     58     joy_isapnp_match, joy_isapnp_attach, NULL, NULL);
     59 
     60 static int
     61 joy_isapnp_match(device_t parent, cfdata_t match, void *aux)
     62 {
     63 	int pri, variant;
     64 
     65 	pri = isapnp_devmatch(aux, &isapnp_joy_devinfo, &variant);
     66 	if (pri && variant > 0)
     67 		pri = 0;
     68 	return pri;
     69 }
     70 
     71 static void
     72 joy_isapnp_attach(device_t parent, device_t self, void *aux)
     73 {
     74 	struct joy_isapnp_softc *isc = device_private(self);
     75 	struct joy_softc *sc = &isc->sc_joy;
     76 	struct isapnp_attach_args *ipa = aux;
     77 	bus_space_handle_t ioh;
     78 
     79 	aprint_normal("\n");
     80 
     81 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
     82 		aprint_error_dev(self, "error in region allocation\n");
     83 		return;
     84 	}
     85 
     86 	if (ipa->ipa_io[0].length == 8) {
     87 		if (bus_space_subregion(ipa->ipa_iot, ipa->ipa_io[0].h, 1, 1,
     88 		    &ioh) < 0) {
     89 			aprint_error_dev(self, "error in region allocation\n");
     90 			return;
     91 		}
     92 	} else
     93 		ioh = ipa->ipa_io[0].h;
     94 
     95 	mutex_init(&isc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
     96 
     97 	sc->sc_iot = ipa->ipa_iot;
     98 	sc->sc_ioh = ioh;
     99 	sc->sc_dev = self;
    100 	sc->sc_lock = &isc->sc_lock;
    101 
    102 	aprint_normal_dev(self, "%s %s\n", ipa->ipa_devident,
    103 	    ipa->ipa_devclass);
    104 
    105 	joyattach(sc);
    106 }
    107