afsc.c revision 1.5 1 1.5 chopps /* $NetBSD: afsc.c,v 1.5 1995/01/05 07:22:31 chopps Exp $ */
2 1.2 cgd
3 1.1 chopps /*
4 1.1 chopps * Copyright (c) 1994 Michael L. Hitch
5 1.1 chopps * Copyright (c) 1982, 1990 The Regents of the University of California.
6 1.1 chopps * All rights reserved.
7 1.1 chopps *
8 1.1 chopps * Redistribution and use in source and binary forms, with or without
9 1.1 chopps * modification, are permitted provided that the following conditions
10 1.1 chopps * are met:
11 1.1 chopps * 1. Redistributions of source code must retain the above copyright
12 1.1 chopps * notice, this list of conditions and the following disclaimer.
13 1.1 chopps * 2. Redistributions in binary form must reproduce the above copyright
14 1.1 chopps * notice, this list of conditions and the following disclaimer in the
15 1.1 chopps * documentation and/or other materials provided with the distribution.
16 1.1 chopps * 3. All advertising materials mentioning features or use of this software
17 1.1 chopps * must display the following acknowledgement:
18 1.1 chopps * This product includes software developed by the University of
19 1.1 chopps * California, Berkeley and its contributors.
20 1.1 chopps * 4. Neither the name of the University nor the names of its contributors
21 1.1 chopps * may be used to endorse or promote products derived from this software
22 1.1 chopps * without specific prior written permission.
23 1.1 chopps *
24 1.1 chopps * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 1.1 chopps * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 1.1 chopps * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 1.1 chopps * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 1.1 chopps * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 1.1 chopps * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 1.1 chopps * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 1.1 chopps * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 1.1 chopps * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 1.1 chopps * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 1.1 chopps * SUCH DAMAGE.
35 1.1 chopps *
36 1.1 chopps * @(#)dma.c
37 1.1 chopps */
38 1.1 chopps
39 1.1 chopps #include <sys/param.h>
40 1.1 chopps #include <sys/systm.h>
41 1.1 chopps #include <sys/kernel.h>
42 1.1 chopps #include <sys/device.h>
43 1.1 chopps #include <scsi/scsi_all.h>
44 1.1 chopps #include <scsi/scsiconf.h>
45 1.1 chopps #include <amiga/amiga/custom.h>
46 1.1 chopps #include <amiga/amiga/cc.h>
47 1.1 chopps #include <amiga/amiga/device.h>
48 1.1 chopps #include <amiga/dev/siopreg.h>
49 1.1 chopps #include <amiga/dev/siopvar.h>
50 1.4 chopps #include <amiga/dev/zbusvar.h>
51 1.1 chopps
52 1.1 chopps int afscprint __P((void *auxp, char *));
53 1.1 chopps void afscattach __P((struct device *, struct device *, void *));
54 1.1 chopps int afscmatch __P((struct device *, struct cfdata *, void *));
55 1.1 chopps int siopintr __P((struct siop_softc *));
56 1.1 chopps
57 1.1 chopps struct scsi_adapter afsc_scsiswitch = {
58 1.1 chopps siop_scsicmd,
59 1.1 chopps siop_minphys,
60 1.1 chopps 0, /* no lun support */
61 1.1 chopps 0, /* no lun support */
62 1.1 chopps };
63 1.1 chopps
64 1.1 chopps struct scsi_device afsc_scsidev = {
65 1.1 chopps NULL, /* use default error handler */
66 1.1 chopps NULL, /* do not have a start functio */
67 1.1 chopps NULL, /* have no async handler */
68 1.1 chopps NULL, /* Use default done routine */
69 1.1 chopps };
70 1.1 chopps
71 1.1 chopps
72 1.1 chopps #ifdef DEBUG
73 1.1 chopps #endif
74 1.1 chopps
75 1.1 chopps struct cfdriver afsccd = {
76 1.3 chopps NULL, "afsc", (cfmatch_t)afscmatch, afscattach,
77 1.1 chopps DV_DULL, sizeof(struct siop_softc), NULL, 0 };
78 1.1 chopps
79 1.1 chopps /*
80 1.1 chopps * if we are a Commodore Amiga A4091
81 1.1 chopps */
82 1.1 chopps int
83 1.1 chopps afscmatch(pdp, cdp, auxp)
84 1.1 chopps struct device *pdp;
85 1.1 chopps struct cfdata *cdp;
86 1.1 chopps void *auxp;
87 1.1 chopps {
88 1.4 chopps struct zbus_args *zap;
89 1.1 chopps
90 1.1 chopps zap = auxp;
91 1.1 chopps if (zap->manid == 514 && zap->prodid == 84)
92 1.1 chopps return(1);
93 1.1 chopps return(0);
94 1.1 chopps }
95 1.1 chopps
96 1.1 chopps void
97 1.1 chopps afscattach(pdp, dp, auxp)
98 1.1 chopps struct device *pdp, *dp;
99 1.1 chopps void *auxp;
100 1.1 chopps {
101 1.1 chopps struct siop_softc *sc;
102 1.4 chopps struct zbus_args *zap;
103 1.1 chopps siop_regmap_p rp;
104 1.1 chopps
105 1.1 chopps printf("\n");
106 1.1 chopps
107 1.1 chopps zap = auxp;
108 1.1 chopps
109 1.1 chopps sc = (struct siop_softc *)dp;
110 1.1 chopps sc->sc_siopp = rp = zap->va + 0x00800000;
111 1.1 chopps
112 1.1 chopps /*
113 1.1 chopps * DCNTL = 37.51->50MHZ / SCLK/2
114 1.1 chopps * CTEST7 = 80 [disable burst]
115 1.1 chopps */
116 1.1 chopps sc->sc_clock_freq = 0x8000;
117 1.1 chopps
118 1.1 chopps
119 1.1 chopps siopinitialize(sc);
120 1.1 chopps
121 1.1 chopps sc->sc_link.adapter_softc = sc;
122 1.5 chopps sc->sc_link.adapter_target = 7;
123 1.1 chopps sc->sc_link.adapter = &afsc_scsiswitch;
124 1.1 chopps sc->sc_link.device = &afsc_scsidev;
125 1.5 chopps sc->sc_link.openings = 1;
126 1.1 chopps TAILQ_INIT(&sc->sc_xslist);
127 1.1 chopps
128 1.1 chopps custom.intreq = INTF_PORTS;
129 1.1 chopps custom.intena = INTF_SETCLR | INTF_PORTS;
130 1.1 chopps
131 1.1 chopps /*
132 1.1 chopps * attach all scsi units on us
133 1.1 chopps */
134 1.1 chopps config_found(dp, &sc->sc_link, afscprint);
135 1.1 chopps }
136 1.1 chopps
137 1.1 chopps /*
138 1.1 chopps * print diag if pnp is NULL else just extra
139 1.1 chopps */
140 1.1 chopps int
141 1.1 chopps afscprint(auxp, pnp)
142 1.1 chopps void *auxp;
143 1.1 chopps char *pnp;
144 1.1 chopps {
145 1.1 chopps if (pnp == NULL)
146 1.1 chopps return(UNCONF);
147 1.1 chopps return(QUIET);
148 1.1 chopps }
149 1.1 chopps
150 1.1 chopps int
151 1.1 chopps afsc_dmaintr()
152 1.1 chopps {
153 1.1 chopps siop_regmap_p rp;
154 1.1 chopps struct siop_softc *dev;
155 1.1 chopps int i, found;
156 1.1 chopps u_char istat;
157 1.1 chopps
158 1.1 chopps found = 0;
159 1.1 chopps for (i = 0; i < afsccd.cd_ndevs; i++) {
160 1.1 chopps dev = afsccd.cd_devs[i];
161 1.1 chopps if (dev == NULL)
162 1.1 chopps continue;
163 1.1 chopps rp = dev->sc_siopp;
164 1.1 chopps istat = rp->siop_istat;
165 1.1 chopps if ((istat & (SIOP_ISTAT_SIP | SIOP_ISTAT_DIP)) == 0)
166 1.1 chopps continue;
167 1.1 chopps if ((dev->sc_flags & (SIOP_DMA | SIOP_SELECTED)) == SIOP_SELECTED)
168 1.1 chopps continue; /* doing non-interrupt I/O */
169 1.1 chopps found++;
170 1.1 chopps dev->sc_istat = istat;
171 1.1 chopps dev->sc_dstat = rp->siop_dstat;
172 1.1 chopps dev->sc_sstat0 = rp->siop_sstat0;
173 1.1 chopps siopintr(dev);
174 1.1 chopps }
175 1.1 chopps return(found);
176 1.1 chopps }
177