1 /* $NetBSD: spc_pcmcia.c,v 1.21 2009/11/12 20:14:04 dyoung Exp $ */
2
3 /*-
4 * Copyright (c) 2000, 2004 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum.
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: spc_pcmcia.c,v 1.21 2009/11/12 20:14:04 dyoung Exp $");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/device.h>
38 #include <sys/buf.h>
39
40 #include <sys/bus.h>
41 #include <sys/intr.h>
42
43 #include <dev/scsipi/scsi_all.h>
44 #include <dev/scsipi/scsipi_all.h>
45 #include <dev/scsipi/scsiconf.h>
46
47 #include <dev/pcmcia/pcmciareg.h>
48 #include <dev/pcmcia/pcmciavar.h>
49 #include <dev/pcmcia/pcmciadevs.h>
50
51 #include <dev/ic/mb89352var.h>
52
53 struct spc_pcmcia_softc {
54 struct spc_softc sc_spc; /* glue to MI code */
55
56 /* PCMCIA-specific goo. */
57 struct pcmcia_function *sc_pf; /* our PCMCIA function */
58 void *sc_ih; /* interrupt handler */
59
60 int sc_state;
61 #define SPC_PCMCIA_ATTACHED 3
62 };
63
64 static int spc_pcmcia_match(device_t, cfdata_t, void *);
65 static int spc_pcmcia_validate_config(struct pcmcia_config_entry *);
66 static void spc_pcmcia_attach(device_t, device_t, void *);
67 static int spc_pcmcia_detach(device_t, int);
68 static int spc_pcmcia_enable(device_t, int);
69
70 CFATTACH_DECL2_NEW(spc_pcmcia, sizeof(struct spc_pcmcia_softc),
71 spc_pcmcia_match, spc_pcmcia_attach, spc_pcmcia_detach, NULL, NULL,
72 spc_childdet);
73
74 static const struct pcmcia_product spc_pcmcia_products[] = {
75 { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_SCSI600,
76 PCMCIA_CIS_FUJITSU_SCSI600 },
77 };
78 static const size_t spc_pcmcia_nproducts = __arraycount(spc_pcmcia_products);
79
80 int
spc_pcmcia_match(device_t parent,cfdata_t cf,void * aux)81 spc_pcmcia_match(device_t parent, cfdata_t cf, void *aux)
82 {
83 struct pcmcia_attach_args *pa = aux;
84
85 if (pcmcia_product_lookup(pa, spc_pcmcia_products, spc_pcmcia_nproducts,
86 sizeof(spc_pcmcia_products[0]), NULL))
87 return 1;
88 return 0;
89 }
90
91 int
spc_pcmcia_validate_config(struct pcmcia_config_entry * cfe)92 spc_pcmcia_validate_config(struct pcmcia_config_entry *cfe)
93 {
94
95 if (cfe->iftype != PCMCIA_IFTYPE_IO ||
96 cfe->num_memspace != 0 ||
97 cfe->num_iospace != 1)
98 return EINVAL;
99 return 0;
100 }
101
102 void
spc_pcmcia_attach(device_t parent,device_t self,void * aux)103 spc_pcmcia_attach(device_t parent, device_t self, void *aux)
104 {
105 struct spc_pcmcia_softc *sc = device_private(self);
106 struct spc_softc *spc = &sc->sc_spc;
107 struct pcmcia_attach_args *pa = aux;
108 struct pcmcia_config_entry *cfe;
109 struct pcmcia_function *pf = pa->pf;
110 int error;
111
112 spc->sc_dev = self;
113 sc->sc_pf = pf;
114
115 error = pcmcia_function_configure(pf, spc_pcmcia_validate_config);
116 if (error) {
117 aprint_error_dev(self, "configure failed, error=%d\n", error);
118 return;
119 }
120
121 cfe = pf->cfe;
122 spc->sc_iot = cfe->iospace[0].handle.iot;
123 spc->sc_ioh = cfe->iospace[0].handle.ioh;
124
125 error = spc_pcmcia_enable(self, 1);
126 if (error)
127 goto fail;
128
129 spc->sc_initiator = 7; /* XXX */
130 spc->sc_adapter.adapt_enable = spc_pcmcia_enable;
131 spc->sc_adapter.adapt_refcnt = 1;
132
133 /*
134 * Initialize nca board itself.
135 */
136 spc_attach(spc);
137 scsipi_adapter_delref(&spc->sc_adapter);
138 sc->sc_state = SPC_PCMCIA_ATTACHED;
139 return;
140
141 fail:
142 pcmcia_function_unconfigure(pf);
143 }
144
145 int
spc_pcmcia_detach(device_t self,int flags)146 spc_pcmcia_detach(device_t self, int flags)
147 {
148 struct spc_pcmcia_softc *sc = device_private(self);
149 int error;
150
151 if (sc->sc_state != SPC_PCMCIA_ATTACHED)
152 return 0;
153
154 error = spc_detach(self, flags);
155 if (error)
156 return error;
157
158 pcmcia_function_unconfigure(sc->sc_pf);
159
160 return 0;
161 }
162
163 int
spc_pcmcia_enable(device_t self,int onoff)164 spc_pcmcia_enable(device_t self, int onoff)
165 {
166 struct spc_pcmcia_softc *sc = device_private(self);
167 int error;
168
169 if (onoff) {
170 /* Establish the interrupt handler. */
171 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
172 spc_intr, &sc->sc_spc);
173 if (!sc->sc_ih)
174 return EIO;
175
176 error = pcmcia_function_enable(sc->sc_pf);
177 if (error) {
178 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
179 sc->sc_ih = 0;
180 return error;
181 }
182
183 /* Initialize only chip. */
184 spc_init(&sc->sc_spc, 0);
185 } else {
186 pcmcia_function_disable(sc->sc_pf);
187 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
188 sc->sc_ih = 0;
189 }
190
191 return 0;
192 }
193