aic_pcmcia.c revision 1.22 1 /* $NetBSD: aic_pcmcia.c,v 1.22 2002/10/02 16:52:04 thorpej 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 1.22 2002/10/02 16:52:04 thorpej 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 int aic_pcmcia_match __P((struct device *, struct cfdata *, void *));
55 void aic_pcmcia_attach __P((struct device *, struct device *, void *));
56 int aic_pcmcia_detach __P((struct device *, int));
57
58 struct aic_pcmcia_softc {
59 struct aic_softc sc_aic; /* real "aic" softc */
60
61 /* PCMCIA-specific goo. */
62 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
63 int sc_io_window; /* our i/o window */
64 struct pcmcia_function *sc_pf; /* our PCMCIA function */
65 void *sc_ih; /* interrupt handler */
66 int sc_flags;
67 #define AIC_PCMCIA_ATTACH 0x0001 /* attach is in progress */
68 };
69
70 CFATTACH_DECL(aic_pcmcia, sizeof(struct aic_pcmcia_softc),
71 aic_pcmcia_match, aic_pcmcia_attach, aic_pcmcia_detach, aic_activate);
72
73 int aic_pcmcia_enable __P((struct device *, int));
74
75 const struct pcmcia_product aic_pcmcia_products[] = {
76 { PCMCIA_STR_ADAPTEC_APA1460, PCMCIA_VENDOR_ADAPTEC,
77 PCMCIA_PRODUCT_ADAPTEC_APA1460, 0 },
78
79 { PCMCIA_STR_ADAPTEC_APA1460A, PCMCIA_VENDOR_ADAPTEC,
80 PCMCIA_PRODUCT_ADAPTEC_APA1460A, 0 },
81
82 { PCMCIA_STR_NEWMEDIA_BUSTOASTER, PCMCIA_VENDOR_NEWMEDIA,
83 PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER, 0 },
84
85 { NULL }
86 };
87
88 int
89 aic_pcmcia_match(parent, match, aux)
90 struct device *parent;
91 struct cfdata *match;
92 void *aux;
93 {
94 struct pcmcia_attach_args *pa = aux;
95
96 if (pcmcia_product_lookup(pa, aic_pcmcia_products,
97 sizeof aic_pcmcia_products[0], NULL) != NULL)
98 return (1);
99 return (0);
100 }
101
102 void
103 aic_pcmcia_attach(parent, self, aux)
104 struct device *parent, *self;
105 void *aux;
106 {
107 struct aic_pcmcia_softc *psc = (void *)self;
108 struct aic_softc *sc = &psc->sc_aic;
109 struct pcmcia_attach_args *pa = aux;
110 struct pcmcia_config_entry *cfe;
111 struct pcmcia_function *pf = pa->pf;
112 const struct pcmcia_product *pp;
113
114 psc->sc_pf = pf;
115
116 SIMPLEQ_FOREACH(cfe, &pf->cfe_head, cfe_list) {
117 if (cfe->num_memspace != 0 ||
118 cfe->num_iospace != 1)
119 continue;
120
121 /*
122 * The bustoaster has a default config as first
123 * entry, we don't want to use that.
124 */
125 if (pa->manufacturer == PCMCIA_VENDOR_NEWMEDIA &&
126 pa->product == PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER &&
127 cfe->iospace[0].start == 0)
128 continue;
129
130 if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
131 cfe->iospace[0].length, 0, &psc->sc_pcioh) == 0)
132 break;
133 }
134
135 if (cfe == 0) {
136 printf(": can't alloc i/o space\n");
137 goto no_config_entry;
138 }
139
140 sc->sc_iot = psc->sc_pcioh.iot;
141 sc->sc_ioh = psc->sc_pcioh.ioh;
142
143 /* Enable the card. */
144 pcmcia_function_init(pf, cfe);
145 if (pcmcia_function_enable(pf)) {
146 printf(": function enable failed\n");
147 goto enable_failed;
148 }
149
150 /* Map in the io space */
151 if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
152 &psc->sc_pcioh, &psc->sc_io_window)) {
153 printf(": can't map i/o space\n");
154 goto iomap_failed;
155 }
156
157 if (!aic_find(sc->sc_iot, sc->sc_ioh)) {
158 printf(": unable to detect chip!\n");
159 goto no_aic_found;
160 }
161
162 pp = pcmcia_product_lookup(pa, aic_pcmcia_products,
163 sizeof aic_pcmcia_products[0], NULL);
164 if (pp == NULL) {
165 printf("\n");
166 panic("aic_pcmcia_attach: impossible");
167 }
168
169 printf(": %s\n", pp->pp_name);
170
171 /* We can enable and disable the controller. */
172 sc->sc_adapter.adapt_enable = aic_pcmcia_enable;
173
174 psc->sc_flags |= AIC_PCMCIA_ATTACH;
175 aicattach(sc);
176 psc->sc_flags &= ~AIC_PCMCIA_ATTACH;
177 return;
178
179 no_aic_found:
180 /* Unmap our i/o window. */
181 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
182
183 iomap_failed:
184 /* Disable the device. */
185 pcmcia_function_disable(psc->sc_pf);
186
187 enable_failed:
188 /* Unmap our i/o space. */
189 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
190
191 no_config_entry:
192 psc->sc_io_window = -1;
193 }
194
195 int
196 aic_pcmcia_detach(self, flags)
197 struct device *self;
198 int flags;
199 {
200 struct aic_pcmcia_softc *sc = (struct aic_pcmcia_softc *)self;
201 int error;
202
203 if (sc->sc_io_window == -1)
204 /* Nothing to detach. */
205 return (0);
206
207 if ((error = aic_detach(self, flags)) != 0)
208 return (error);
209
210 /* Unmap our i/o window and i/o space. */
211 pcmcia_io_unmap(sc->sc_pf, sc->sc_io_window);
212 pcmcia_io_free(sc->sc_pf, &sc->sc_pcioh);
213
214 return (0);
215 }
216 int
217 aic_pcmcia_enable(self, onoff)
218 struct device *self;
219 int onoff;
220 {
221 struct aic_pcmcia_softc *psc = (void *)self;
222
223 if (onoff) {
224 /* Establish the interrupt handler. */
225 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_BIO,
226 aicintr, &psc->sc_aic);
227 if (psc->sc_ih == NULL) {
228 printf("%s: couldn't establish interrupt handler\n",
229 psc->sc_aic.sc_dev.dv_xname);
230 return (EIO);
231 }
232
233 /*
234 * If attach is in progress, we know that card power is
235 * enabled and chip will be initialized later.
236 * Otherwise, enable and reset now.
237 */
238 if ((psc->sc_flags & AIC_PCMCIA_ATTACH) == 0) {
239 if (pcmcia_function_enable(psc->sc_pf)) {
240 printf("%s: couldn't enable PCMCIA function\n",
241 psc->sc_aic.sc_dev.dv_xname);
242 pcmcia_intr_disestablish(psc->sc_pf,
243 psc->sc_ih);
244 return (EIO);
245 }
246
247 /* Initialize only chip. */
248 aic_init(&psc->sc_aic, 0);
249 }
250 } else {
251 pcmcia_function_disable(psc->sc_pf);
252 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
253 }
254
255 return (0);
256 }
257