xref: /netbsd/sys/dev/isapnp/aic_isapnp.c (revision 6550d01e)
1 /*	$NetBSD: aic_isapnp.c,v 1.21 2009/09/22 13:20:36 tsutsui 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@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  *
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: aic_isapnp.c,v 1.21 2009/09/22 13:20:36 tsutsui Exp $");
34 
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/device.h>
38 
39 #include <sys/bus.h>
40 
41 #include <dev/isa/isavar.h>
42 
43 #include <dev/isapnp/isapnpreg.h>
44 #include <dev/isapnp/isapnpvar.h>
45 #include <dev/isapnp/isapnpdevs.h>
46 
47 #include <dev/scsipi/scsipi_all.h>
48 #include <dev/scsipi/scsipiconf.h>
49 #include <dev/scsipi/scsi_all.h>
50 
51 #include <dev/ic/aic6360var.h>
52 
53 struct aic_isapnp_softc {
54 	struct	aic_softc sc_aic;	/* real "com" softc */
55 
56 	/* ISAPnP-specific goo. */
57 	void	*sc_ih;			/* interrupt handler */
58 };
59 
60 static int	aic_isapnp_match(device_t, cfdata_t, void *);
61 static void	aic_isapnp_attach(device_t, device_t, void *);
62 
63 CFATTACH_DECL_NEW(aic_isapnp, sizeof(struct aic_isapnp_softc),
64     aic_isapnp_match, aic_isapnp_attach, NULL, NULL);
65 
66 int
67 aic_isapnp_match(device_t parent, cfdata_t match, void *aux)
68 {
69 	int pri, variant;
70 
71 	pri = isapnp_devmatch(aux, &isapnp_aic_devinfo, &variant);
72 	if (pri && variant > 0)
73 		pri = 0;
74 	return (pri);
75 }
76 
77 void
78 aic_isapnp_attach(device_t parent, device_t self, void *aux)
79 {
80 	struct aic_isapnp_softc *isc = device_private(self);
81 	struct aic_softc *sc = &isc->sc_aic;
82 	struct isapnp_attach_args *ipa = aux;
83 
84 	sc->sc_dev = self;
85 
86 	printf("\n");
87 
88 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
89 		aprint_error_dev(self, "error in region allocation\n");
90 		return;
91 	}
92 
93 	sc->sc_iot = ipa->ipa_iot;
94 	sc->sc_ioh = ipa->ipa_io[0].h;
95 
96 	if (!aic_find(sc->sc_iot, sc->sc_ioh)) {
97 		aprint_error_dev(self, "couldn't find device\n");
98 		return;
99 	}
100 
101 	aicattach(sc);
102 
103 	/* Establish the interrupt handler. */
104 	isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
105 	    ipa->ipa_irq[0].type, IPL_BIO, aicintr, sc);
106 	if (isc->sc_ih == NULL)
107 		aprint_error_dev(self, "couldn't establish interrupt\n");
108 }
109