1 /* $OpenBSD: aic_isa.c,v 1.4 2002/03/14 01:26:56 millert Exp $ */
2 /* $NetBSD: aic6360.c,v 1.52 1996/12/10 21:27:51 thorpej Exp $ */
3
4 /*
5 * Copyright (c) 1994, 1995, 1996 Charles Hannum. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Charles M. Hannum.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * Copyright (c) 1994 Jarle Greipsland
22 * All rights reserved.
23 *
24 * Redistribution and use in source and binary forms, with or without
25 * modification, are permitted provided that the following conditions
26 * are met:
27 * 1. Redistributions of source code must retain the above copyright
28 * notice, this list of conditions and the following disclaimer.
29 * 2. Redistributions in binary form must reproduce the above copyright
30 * notice, this list of conditions and the following disclaimer in the
31 * documentation and/or other materials provided with the distribution.
32 * 3. The name of the author may not be used to endorse or promote products
33 * derived from this software without specific prior written permission.
34 *
35 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
36 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
37 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
39 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
40 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
41 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
42 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
43 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
44 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
45 * POSSIBILITY OF SUCH DAMAGE.
46 */
47
48 /*
49 * Acknowledgements: Many of the algorithms used in this driver are
50 * inspired by the work of Julian Elischer (julian@tfs.com) and
51 * Charles Hannum (mycroft@duality.gnu.ai.mit.edu). Thanks a million!
52 */
53
54 #include <sys/types.h>
55 #include <sys/param.h>
56 #include <sys/systm.h>
57 #include <sys/kernel.h>
58 #include <sys/errno.h>
59 #include <sys/ioctl.h>
60 #include <sys/device.h>
61 #include <sys/buf.h>
62 #include <sys/proc.h>
63 #include <sys/user.h>
64 #include <sys/queue.h>
65
66 #include <machine/bus.h>
67 #include <machine/intr.h>
68
69 #include <scsi/scsi_all.h>
70 #include <scsi/scsi_message.h>
71 #include <scsi/scsiconf.h>
72
73 #include <dev/isa/isavar.h>
74
75 #include <dev/ic/aic6360reg.h>
76 #include <dev/ic/aic6360var.h>
77
78 int aic_isa_probe(struct device *, void *, void *);
79 void aic_isa_attach(struct device *, struct device *, void *);
80
81 struct cfattach aic_isa_ca = {
82 sizeof(struct aic_softc), aic_isa_probe, aic_isa_attach
83 };
84
85 /*
86 * INITIALIZATION ROUTINES (probe, attach ++)
87 */
88
89 /*
90 * aicprobe: probe for AIC6360 SCSI-controller
91 * returns non-zero value if a controller is found.
92 */
93 int
94 aic_isa_probe(parent, match, aux)
95 struct device *parent;
96 void *match, *aux;
97 {
98 struct isa_attach_args *ia = aux;
99 bus_space_tag_t iot = ia->ia_iot;
100 bus_space_handle_t ioh;
101 int rv;
102
103 if (bus_space_map(iot, ia->ia_iobase, AIC_NPORTS, 0, &ioh))
104 return (0);
105
106 AIC_TRACE(("aic: probing for aic-chip at port 0x%x\n", ia->ia_iobase));
107 rv = aic_find(iot, ioh);
108
109 bus_space_unmap(iot, ioh, AIC_NPORTS);
110
111 if (rv) {
112 ia->ia_msize = 0;
113 ia->ia_iosize = AIC_NPORTS;
114 }
115 return (rv);
116 }
117
118 /*
119 * Attach the AIC6360, fill out some high and low level data structures
120 */
121 void
122 aic_isa_attach(parent, self, aux)
123 struct device *parent, *self;
124 void *aux;
125 {
126 struct isa_attach_args *ia = aux;
127 bus_space_tag_t iot = ia->ia_iot;
128 bus_space_handle_t ioh;
129 struct aic_softc *sc = (void *)self;
130
131 if (bus_space_map(iot, ia->ia_iobase, AIC_NPORTS, 0, &ioh))
132 panic("%s: could not map I/O-ports", sc->sc_dev.dv_xname);
133
134 sc->sc_iot = iot;
135 sc->sc_ioh = ioh;
136
137 printf("\n");
138
139 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
140 IPL_BIO, aicintr, sc, sc->sc_dev.dv_xname);
141
142 aicattach(sc);
143 }
144