aic_pcmcia.c revision 1.18 1 /* $NetBSD: aic_pcmcia.c,v 1.18 2001/11/13 07:26:32 lukem 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 1.18 2001/11/13 07:26:32 lukem 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 struct cfattach aic_pcmcia_ca = {
71 sizeof(struct aic_pcmcia_softc), aic_pcmcia_match, aic_pcmcia_attach,
72 aic_pcmcia_detach, aic_activate
73 };
74
75 int aic_pcmcia_enable __P((struct device *, int));
76
77 const struct pcmcia_product aic_pcmcia_products[] = {
78 { PCMCIA_STR_ADAPTEC_APA1460, PCMCIA_VENDOR_ADAPTEC,
79 PCMCIA_PRODUCT_ADAPTEC_APA1460, 0 },
80
81 { PCMCIA_STR_ADAPTEC_APA1460A, PCMCIA_VENDOR_ADAPTEC,
82 PCMCIA_PRODUCT_ADAPTEC_APA1460A, 0 },
83
84 { PCMCIA_STR_NEWMEDIA_BUSTOASTER, PCMCIA_VENDOR_NEWMEDIA,
85 PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER, 0 },
86
87 { NULL }
88 };
89
90 int
91 aic_pcmcia_match(parent, match, aux)
92 struct device *parent;
93 struct cfdata *match;
94 void *aux;
95 {
96 struct pcmcia_attach_args *pa = aux;
97
98 if (pcmcia_product_lookup(pa, aic_pcmcia_products,
99 sizeof aic_pcmcia_products[0], NULL) != NULL)
100 return (1);
101 return (0);
102 }
103
104 void
105 aic_pcmcia_attach(parent, self, aux)
106 struct device *parent, *self;
107 void *aux;
108 {
109 struct aic_pcmcia_softc *psc = (void *)self;
110 struct aic_softc *sc = &psc->sc_aic;
111 struct pcmcia_attach_args *pa = aux;
112 struct pcmcia_config_entry *cfe;
113 struct pcmcia_function *pf = pa->pf;
114 const struct pcmcia_product *pp;
115
116 psc->sc_pf = pf;
117
118 for (cfe = SIMPLEQ_FIRST(&pf->cfe_head); cfe != NULL;
119 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
120 if (cfe->num_memspace != 0 ||
121 cfe->num_iospace != 1)
122 continue;
123
124 /*
125 * The bustoaster has a default config as first
126 * entry, we don't want to use that.
127 */
128 if (pa->manufacturer == PCMCIA_VENDOR_NEWMEDIA &&
129 pa->product == PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER &&
130 cfe->iospace[0].start == 0)
131 continue;
132
133 if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
134 cfe->iospace[0].length, 0, &psc->sc_pcioh) == 0)
135 break;
136 }
137
138 if (cfe == 0) {
139 printf(": can't alloc i/o space\n");
140 goto no_config_entry;
141 }
142
143 sc->sc_iot = psc->sc_pcioh.iot;
144 sc->sc_ioh = psc->sc_pcioh.ioh;
145
146 /* Enable the card. */
147 pcmcia_function_init(pf, cfe);
148 if (pcmcia_function_enable(pf)) {
149 printf(": function enable failed\n");
150 goto enable_failed;
151 }
152
153 /* Map in the io space */
154 if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
155 &psc->sc_pcioh, &psc->sc_io_window)) {
156 printf(": can't map i/o space\n");
157 goto iomap_failed;
158 }
159
160 if (!aic_find(sc->sc_iot, sc->sc_ioh)) {
161 printf(": unable to detect chip!\n");
162 goto no_aic_found;
163 }
164
165 pp = pcmcia_product_lookup(pa, aic_pcmcia_products,
166 sizeof aic_pcmcia_products[0], NULL);
167 if (pp == NULL) {
168 printf("\n");
169 panic("aic_pcmcia_attach: impossible");
170 }
171
172 printf(": %s\n", pp->pp_name);
173
174 /* We can enable and disable the controller. */
175 sc->sc_adapter.adapt_enable = aic_pcmcia_enable;
176
177 psc->sc_flags |= AIC_PCMCIA_ATTACH;
178 aicattach(sc);
179 psc->sc_flags &= ~AIC_PCMCIA_ATTACH;
180 return;
181
182 no_aic_found:
183 /* Unmap our i/o window. */
184 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
185
186 iomap_failed:
187 /* Disable the device. */
188 pcmcia_function_disable(psc->sc_pf);
189
190 enable_failed:
191 /* Unmap our i/o space. */
192 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
193
194 no_config_entry:
195 psc->sc_io_window = -1;
196 }
197
198 int
199 aic_pcmcia_detach(self, flags)
200 struct device *self;
201 int flags;
202 {
203 struct aic_pcmcia_softc *sc = (struct aic_pcmcia_softc *)self;
204 int error;
205
206 if (sc->sc_io_window == -1)
207 /* Nothing to detach. */
208 return (0);
209
210 if ((error = aic_detach(self, flags)) != 0)
211 return (error);
212
213 /* Unmap our i/o window and i/o space. */
214 pcmcia_io_unmap(sc->sc_pf, sc->sc_io_window);
215 pcmcia_io_free(sc->sc_pf, &sc->sc_pcioh);
216
217 return (0);
218 }
219 int
220 aic_pcmcia_enable(self, onoff)
221 struct device *self;
222 int onoff;
223 {
224 struct aic_pcmcia_softc *psc = (void *)self;
225
226 if (onoff) {
227 /* Establish the interrupt handler. */
228 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_BIO,
229 aicintr, &psc->sc_aic);
230 if (psc->sc_ih == NULL) {
231 printf("%s: couldn't establish interrupt handler\n",
232 psc->sc_aic.sc_dev.dv_xname);
233 return (EIO);
234 }
235
236 /*
237 * If attach is in progress, we know that card power is
238 * enabled and chip will be initialized later.
239 * Otherwise, enable and reset now.
240 */
241 if ((psc->sc_flags & AIC_PCMCIA_ATTACH) == 0) {
242 if (pcmcia_function_enable(psc->sc_pf)) {
243 printf("%s: couldn't enable PCMCIA function\n",
244 psc->sc_aic.sc_dev.dv_xname);
245 pcmcia_intr_disestablish(psc->sc_pf,
246 psc->sc_ih);
247 return (EIO);
248 }
249
250 /* Initialize only chip. */
251 aic_init(&psc->sc_aic, 0);
252 }
253 } else {
254 pcmcia_function_disable(psc->sc_pf);
255 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
256 }
257
258 return (0);
259 }
260