1 /* $OpenBSD: spc.c,v 1.13 2022/04/16 19:19:58 naddy Exp $ */
2 /* $NetBSD: spc.c,v 1.4 2003/07/05 19:00:17 tsutsui Exp $ */
3
4 /*-
5 * Copyright (c) 2000 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Tohru Nishimura.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/device.h>
36 #include <sys/buf.h>
37
38 #include <machine/bus.h>
39 #include <machine/cpu.h>
40 #include <machine/autoconf.h>
41
42 #include <scsi/scsi_all.h>
43 #include <scsi/scsi_message.h>
44 #include <scsi/scsiconf.h>
45
46 #include <luna88k/dev/mb89352reg.h>
47 #include <luna88k/dev/mb89352var.h>
48
49 #include <luna88k/luna88k/isr.h>
50
51 int spc_mainbus_match(struct device *, void *, void *);
52 void spc_mainbus_attach(struct device *, struct device *, void *);
53
54 const struct cfattach spc_ca = {
55 sizeof(struct spc_softc), spc_mainbus_match, spc_mainbus_attach
56 };
57
58 struct cfdriver spc_cd = {
59 NULL, "spc", DV_DULL
60 };
61
62 const struct scsi_adapter spc_switch = {
63 spc_scsi_cmd, NULL, NULL, NULL, NULL
64 };
65
66 /* bus space tag for spc */
67 struct luna88k_bus_space_tag spc_bst = {
68 2, /* when reading/writing 1 byte, the stride is 4. */
69 0, /* not used */
70 0, /* not used */
71 0, /* not used */
72 0, /* no offset */
73 };
74
75 int
spc_mainbus_match(struct device * parent,void * cf,void * aux)76 spc_mainbus_match(struct device *parent, void *cf, void *aux)
77 {
78 struct mainbus_attach_args *ma = aux;
79
80 if (strcmp(ma->ma_name, spc_cd.cd_name))
81 return 0;
82 #if 0
83 if (badaddr((caddr_t)ma->ma_addr, 4))
84 return 0;
85 /* Experiments proved 2nd SPC address does NOT make a buserror. */
86 #endif
87 return 1;
88 }
89
90 void
spc_mainbus_attach(struct device * parent,struct device * self,void * aux)91 spc_mainbus_attach(struct device *parent, struct device *self, void *aux)
92 {
93 struct spc_softc *sc = (void *)self;
94 struct mainbus_attach_args *ma = aux;
95
96 printf ("\n");
97
98 sc->sc_iot = &spc_bst;
99 sc->sc_ioh = ma->ma_addr;
100 sc->sc_initiator = 7;
101 sc->sc_dma_start = NULL;
102 sc->sc_dma_done = NULL;
103
104 isrlink_autovec(spc_intr, (void *)sc, ma->ma_ilvl, ISRPRI_BIO,
105 self->dv_xname);
106
107 spc_attach(sc, &spc_switch);
108 }
109