aic_pcmcia.c revision 1.30 1 /* $NetBSD: aic_pcmcia.c,v 1.30 2004/08/10 18:43:49 mycroft Exp $ */
2
3 /*
4 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Marc Horowitz.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: aic_pcmcia.c,v 1.30 2004/08/10 18:43:49 mycroft Exp $");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/select.h>
38 #include <sys/device.h>
39
40 #include <machine/cpu.h>
41 #include <machine/bus.h>
42 #include <machine/intr.h>
43
44 #include <dev/scsipi/scsipi_all.h>
45 #include <dev/scsipi/scsipiconf.h>
46 #include <dev/scsipi/scsi_all.h>
47
48 #include <dev/ic/aic6360var.h>
49
50 #include <dev/pcmcia/pcmciareg.h>
51 #include <dev/pcmcia/pcmciavar.h>
52 #include <dev/pcmcia/pcmciadevs.h>
53
54 struct aic_pcmcia_softc {
55 struct aic_softc sc_aic; /* real "aic" softc */
56
57 /* PCMCIA-specific goo. */
58 struct pcmcia_function *sc_pf; /* our PCMCIA function */
59 void *sc_ih; /* interrupt handler */
60
61 int sc_state;
62 #define AIC_PCMCIA_ATTACH1 1
63 #define AIC_PCMCIA_ATTACH2 2
64 #define AIC_PCMCIA_ATTACHED 3
65 };
66
67 int aic_pcmcia_match __P((struct device *, struct cfdata *, void *));
68 int aic_pcmcia_validate_config __P((struct pcmcia_config_entry *));
69 void aic_pcmcia_attach __P((struct device *, struct device *, void *));
70 int aic_pcmcia_detach __P((struct device *, int));
71 int aic_pcmcia_enable __P((struct device *, int));
72
73 CFATTACH_DECL(aic_pcmcia, sizeof(struct aic_pcmcia_softc),
74 aic_pcmcia_match, aic_pcmcia_attach, aic_pcmcia_detach, aic_activate);
75
76 const struct pcmcia_product aic_pcmcia_products[] = {
77 { PCMCIA_VENDOR_ADAPTEC, PCMCIA_PRODUCT_ADAPTEC_APA1460,
78 PCMCIA_CIS_INVALID },
79
80 { PCMCIA_VENDOR_ADAPTEC, PCMCIA_PRODUCT_ADAPTEC_APA1460A,
81 PCMCIA_CIS_INVALID },
82
83 { PCMCIA_VENDOR_NEWMEDIA, PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER,
84 PCMCIA_CIS_INVALID },
85 };
86 const size_t aic_pcmcia_nproducts =
87 sizeof(aic_pcmcia_products) / sizeof(aic_pcmcia_products[0]);
88
89 int
90 aic_pcmcia_match(parent, match, aux)
91 struct device *parent;
92 struct cfdata *match;
93 void *aux;
94 {
95 struct pcmcia_attach_args *pa = aux;
96
97 if (pcmcia_product_lookup(pa, aic_pcmcia_products, aic_pcmcia_nproducts,
98 sizeof(aic_pcmcia_products[0]), NULL))
99 return (1);
100 return (0);
101 }
102
103 int
104 aic_pcmcia_validate_config(cfe)
105 struct pcmcia_config_entry *cfe;
106 {
107 if (cfe->iftype != PCMCIA_IFTYPE_IO ||
108 cfe->num_memspace != 0 ||
109 cfe->num_iospace != 1)
110 return (EINVAL);
111 return (0);
112 }
113
114 void
115 aic_pcmcia_attach(parent, self, aux)
116 struct device *parent, *self;
117 void *aux;
118 {
119 struct aic_pcmcia_softc *psc = (void *)self;
120 struct aic_softc *sc = &psc->sc_aic;
121 struct pcmcia_attach_args *pa = aux;
122 struct pcmcia_config_entry *cfe;
123 struct pcmcia_function *pf = pa->pf;
124 int error;
125
126 psc->sc_pf = pf;
127
128 error = pcmcia_function_configure(pf, aic_pcmcia_validate_config);
129 if (error) {
130 aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
131 error);
132 return;
133 }
134
135 cfe = pf->cfe;
136 sc->sc_iot = cfe->iospace[0].handle.iot;
137 sc->sc_ioh = cfe->iospace[0].handle.ioh;
138
139 error = aic_pcmcia_enable(self, 1);
140 if (error)
141 goto fail;
142
143 if (!aic_find(sc->sc_iot, sc->sc_ioh)) {
144 aprint_error("%s: unable to detect chip!\n", self->dv_xname);
145 goto fail2;
146 }
147
148 /* We can enable and disable the controller. */
149 sc->sc_adapter.adapt_enable = aic_pcmcia_enable;
150
151 psc->sc_state = AIC_PCMCIA_ATTACH1;
152 aicattach(sc);
153 if (psc->sc_state == AIC_PCMCIA_ATTACH1)
154 aic_pcmcia_enable(self, 0);
155 psc->sc_state = AIC_PCMCIA_ATTACHED;
156 return;
157
158 fail2:
159 aic_pcmcia_enable(self, 0);
160 fail:
161 pcmcia_function_unconfigure(pf);
162 }
163
164 int
165 aic_pcmcia_detach(self, flags)
166 struct device *self;
167 int flags;
168 {
169 struct aic_pcmcia_softc *sc = (void *)self;
170 int error;
171
172 if (sc->sc_state != AIC_PCMCIA_ATTACHED)
173 return (0);
174
175 error = aic_detach(self, flags);
176 if (error)
177 return (error);
178
179 pcmcia_function_unconfigure(sc->sc_pf);
180
181 return (0);
182 }
183
184 int
185 aic_pcmcia_enable(self, onoff)
186 struct device *self;
187 int onoff;
188 {
189 struct aic_pcmcia_softc *sc = (void *)self;
190 int error;
191
192 if (onoff) {
193 /*
194 * If attach is in progress, we already have the device
195 * powered up.
196 */
197 if (sc->sc_state == AIC_PCMCIA_ATTACH1) {
198 sc->sc_state = AIC_PCMCIA_ATTACH2;
199 } else {
200 /* Establish the interrupt handler. */
201 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
202 aicintr, &sc->sc_aic);
203 if (!sc->sc_ih)
204 return (EIO);
205
206 error = pcmcia_function_enable(sc->sc_pf);
207 if (error) {
208 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
209 sc->sc_ih = 0;
210 return (error);
211 }
212
213 /* Initialize only chip. */
214 aic_init(&sc->sc_aic, 0);
215 }
216 } else {
217 pcmcia_function_disable(sc->sc_pf);
218 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
219 sc->sc_ih = 0;
220 }
221
222 return (0);
223 }
224