1 /* $OpenBSD: oosiop_gsc.c,v 1.4 2022/03/13 08:04:38 mpi Exp $ */
2 /* $NetBSD: oosiop_gsc.c,v 1.2 2003/07/15 02:29:25 lukem Exp $ */
3
4 /*
5 * Copyright (c) 2001 Matt Fredette. All rights reserved.
6 * Copyright (c) 2001,2002 Izumi Tsutsui. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 /*
31 * Copyright (c) 1998 Michael Shalayeff
32 * All rights reserved.
33 *
34 * Redistribution and use in source and binary forms, with or without
35 * modification, are permitted provided that the following conditions
36 * are met:
37 * 1. Redistributions of source code must retain the above copyright
38 * notice, this list of conditions and the following disclaimer.
39 * 2. Redistributions in binary form must reproduce the above copyright
40 * notice, this list of conditions and the following disclaimer in the
41 * documentation and/or other materials provided with the distribution.
42 * 3. The name of the author may not be used to endorse or promote products
43 * derived from this software without specific prior written permission.
44 *
45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
46 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
47 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
48 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
49 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
50 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
51 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
52 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
53 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
54 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55 */
56
57 #include <sys/param.h>
58 #include <sys/systm.h>
59 #include <sys/device.h>
60 #include <sys/buf.h>
61 #include <sys/malloc.h>
62
63 #include <scsi/scsi_all.h>
64 #include <scsi/scsiconf.h>
65
66 #include <machine/cpu.h>
67 #include <machine/intr.h>
68 #include <machine/iomod.h>
69 #include <machine/autoconf.h>
70 #include <machine/bus.h>
71
72 #include <dev/ic/oosiopreg.h>
73 #include <dev/ic/oosiopvar.h>
74
75 #include <hppa/dev/cpudevs.h>
76 #include <hppa/gsc/gscbusvar.h>
77
78 #define OOSIOP_GSC_RESET 0x0000
79 #define OOSIOP_GSC_OFFSET 0x0100
80
81 int oosiop_gsc_match(struct device *, void *, void *);
82 void oosiop_gsc_attach(struct device *, struct device *, void *);
83 int oosiop_gsc_intr(void *);
84
85 const struct cfattach oosiop_gsc_ca = {
86 sizeof(struct oosiop_softc), oosiop_gsc_match, oosiop_gsc_attach
87 };
88
89 int
oosiop_gsc_match(parent,match,aux)90 oosiop_gsc_match(parent, match, aux)
91 struct device *parent;
92 void *match, *aux;
93 {
94 struct gsc_attach_args *ga = aux;
95
96 if (ga->ga_type.iodc_type != HPPA_TYPE_FIO ||
97 ga->ga_type.iodc_sv_model != HPPA_FIO_SCSI)
98 return 0;
99
100 return 1;
101 }
102
103 void
oosiop_gsc_attach(parent,self,aux)104 oosiop_gsc_attach(parent, self, aux)
105 struct device *parent, *self;
106 void *aux;
107 {
108 struct oosiop_softc *sc = (void *)self;
109 struct gsc_attach_args *ga = aux;
110 bus_space_handle_t ioh;
111
112 sc->sc_bst = ga->ga_iot;
113 sc->sc_dmat = ga->ga_dmatag;
114 if (bus_space_map(sc->sc_bst, ga->ga_hpa,
115 OOSIOP_GSC_OFFSET + OOSIOP_NREGS, 0, &ioh))
116 panic("oosiop_gsc_attach: couldn't map I/O ports");
117 if (bus_space_subregion(sc->sc_bst, ioh,
118 OOSIOP_GSC_OFFSET, OOSIOP_NREGS, &sc->sc_bsh))
119 panic("oosiop_gsc_attach: couldn't get chip ports");
120
121 sc->sc_freq = ga->ga_ca.ca_pdc_iodc_read->filler2[14];
122 if (!sc->sc_freq)
123 sc->sc_freq = 50 * 1000000;
124
125 sc->sc_chip = OOSIOP_700;
126 sc->sc_id = 7; /* XXX */
127
128 /* default values */
129 sc->sc_scntl0 = OOSIOP_SCNTL0_EPG;
130 sc->sc_dmode = OOSIOP_DMODE_BL_8;
131 sc->sc_dwt = 0xff; /* Enable DMA timeout */
132 sc->sc_ctest7 = 0;
133
134 /*
135 * Reset the SCSI subsystem.
136 */
137 bus_space_write_1(sc->sc_bst, ioh, OOSIOP_GSC_RESET, 0);
138 DELAY(1000);
139
140 /*
141 * Call common attachment
142 */
143 #ifdef OOSIOP_DEBUG
144 {
145 extern int oosiop_debug;
146 oosiop_debug = -1;
147 }
148 #endif /* OOSIOP_DEBUG */
149 oosiop_attach(sc);
150
151 (void)gsc_intr_establish((struct gsc_softc *)parent,
152 ga->ga_irq, IPL_BIO, oosiop_gsc_intr, sc, sc->sc_dev.dv_xname);
153 }
154
155 /*
156 * interrupt handler
157 */
158 int
oosiop_gsc_intr(arg)159 oosiop_gsc_intr(arg)
160 void *arg;
161 {
162 struct oosiop_softc *sc = arg;
163 int rv;
164
165 rv = oosiop_intr(sc);
166
167 #ifdef USELEDS
168 ledctl(PALED_DISK, 0, 0);
169 #endif
170
171 return (rv);
172 }
173