wdc_pcmcia.c revision 1.15 1 /* $NetBSD: wdc_pcmcia.c,v 1.15 1998/11/20 01:52:22 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1998 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, by Onno van der Linden and by Manuel Bouyer.
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 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/conf.h>
43 #include <sys/file.h>
44 #include <sys/stat.h>
45 #include <sys/ioctl.h>
46 #include <sys/buf.h>
47 #include <sys/uio.h>
48 #include <sys/malloc.h>
49 #include <sys/device.h>
50 #include <sys/disklabel.h>
51 #include <sys/disk.h>
52 #include <sys/syslog.h>
53 #include <sys/proc.h>
54
55 #include <vm/vm.h>
56
57 #include <machine/cpu.h>
58 #include <machine/intr.h>
59 #include <machine/bus.h>
60
61 #include <dev/pcmcia/pcmciareg.h>
62 #include <dev/pcmcia/pcmciavar.h>
63 #include <dev/pcmcia/pcmciadevs.h>
64
65 #include <dev/isa/isavar.h>
66 #include <dev/ata/atavar.h>
67 #include <dev/ic/wdcvar.h>
68
69 #define WDC_PCMCIA_REG_NPORTS 8
70 #define WDC_PCMCIA_AUXREG_OFFSET (WDC_PCMCIA_REG_NPORTS + 6)
71 #define WDC_PCMCIA_AUXREG_NPORTS 2
72
73 struct wdc_pcmcia_softc {
74 struct wdc_softc sc_wdcdev;
75 struct channel_softc wdc_channel;
76 struct pcmcia_io_handle sc_pioh;
77 struct pcmcia_io_handle sc_auxpioh;
78 int sc_iowindow;
79 int sc_auxiowindow;
80 void *sc_ih;
81 struct pcmcia_function *sc_pf;
82 };
83
84 static int wdc_pcmcia_match __P((struct device *, struct cfdata *, void *));
85 static void wdc_pcmcia_attach __P((struct device *, struct device *, void *));
86
87 struct cfattach wdc_pcmcia_ca = {
88 sizeof(struct wdc_pcmcia_softc), wdc_pcmcia_match, wdc_pcmcia_attach
89 };
90
91 struct wdc_pcmcia_product {
92 u_int32_t wpp_vendor; /* vendor ID */
93 u_int32_t wpp_product; /* product ID */
94 int wpp_quirk_flag; /* Quirk flags */
95 #define WDC_PCMCIA_FORCE_16BIT_IO 0x01 /* Don't use PCMCIA_WIDTH_AUTO */
96 #define WDC_PCMCIA_NO_EXTRA_RESETS 0x02 /* Only reset ctrl once */
97 const char *wpp_cis_info[4]; /* XXX necessary? */
98 const char *wpp_name; /* product name */
99 } wdc_pcmcia_products[] = {
100
101 { /* PCMCIA_VENDOR_DIGITAL XXX */ 0x0100,
102 PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
103 0, { NULL, "Digital Mobile Media CD-ROM", NULL, NULL },
104 PCMCIA_STR_DIGITAL_MOBILE_MEDIA_CDROM },
105
106 { PCMCIA_VENDOR_HAGIWARASYSCOM,
107 -1, /* XXX */
108 WDC_PCMCIA_FORCE_16BIT_IO,
109 { NULL, NULL, NULL, NULL },
110 "Hagiwara SYS-COM CompactFlash Card" },
111
112 /* The TEAC IDE/Card II is used on the Sony Vaio */
113 { PCMCIA_VENDOR_TEAC,
114 PCMCIA_PRODUCT_TEAC_IDECARDII,
115 WDC_PCMCIA_NO_EXTRA_RESETS,
116 PCMCIA_CIS_TEAC_IDECARDII,
117 PCMCIA_STR_TEAC_IDECARDII },
118
119 { 0, 0, 0, { NULL, NULL, NULL, NULL}, NULL }
120 };
121
122 struct wdc_pcmcia_disk_device_interface_args {
123 int ddi_type; /* interface type */
124 int ddi_reqfn; /* function we are requesting iftype */
125 int ddi_curfn; /* function we are currently parsing in CIS */
126 };
127
128 int wdc_pcmcia_disk_device_interface_callback __P((struct pcmcia_tuple *,
129 void *));
130 int wdc_pcmcia_disk_device_interface __P((struct pcmcia_function *));
131 struct wdc_pcmcia_product *
132 wdc_pcmcia_lookup __P((struct pcmcia_attach_args *));
133
134 int wdc_pcmcia_enable __P((void *, int));
135
136 int
137 wdc_pcmcia_disk_device_interface_callback(tuple, arg)
138 struct pcmcia_tuple *tuple;
139 void *arg;
140 {
141 struct wdc_pcmcia_disk_device_interface_args *ddi = arg;
142
143 switch (tuple->code) {
144 case PCMCIA_CISTPL_FUNCID:
145 ddi->ddi_curfn++;
146 break;
147
148 case PCMCIA_CISTPL_FUNCE:
149 if (ddi->ddi_reqfn != ddi->ddi_curfn)
150 break;
151
152 /* subcode (disk device interface), data (interface type) */
153 if (tuple->length < 2)
154 break;
155
156 /* check type */
157 if (pcmcia_tuple_read_1(tuple, 0) !=
158 PCMCIA_TPLFE_TYPE_DISK_DEVICE_INTERFACE)
159 break;
160
161 ddi->ddi_type = pcmcia_tuple_read_1(tuple, 1);
162 return (1);
163 }
164 return (0);
165 }
166
167 int
168 wdc_pcmcia_disk_device_interface(pf)
169 struct pcmcia_function *pf;
170 {
171 struct wdc_pcmcia_disk_device_interface_args ddi;
172
173 ddi.ddi_reqfn = pf->number;
174 ddi.ddi_curfn = -1;
175 if (pcmcia_scan_cis((struct device *)pf->sc,
176 wdc_pcmcia_disk_device_interface_callback, &ddi) > 0)
177 return (ddi.ddi_type);
178 else
179 return (-1);
180 }
181
182 struct wdc_pcmcia_product *
183 wdc_pcmcia_lookup(pa)
184 struct pcmcia_attach_args *pa;
185 {
186 struct wdc_pcmcia_product *wpp;
187 int i, cis_match;
188
189 for (wpp = wdc_pcmcia_products; wpp->wpp_name != NULL; wpp++)
190 if ((wpp->wpp_vendor == -1 ||
191 pa->manufacturer == wpp->wpp_vendor) &&
192 (wpp->wpp_product == -1 ||
193 pa->product == wpp->wpp_product)) {
194 cis_match = 1;
195 for (i = 0; i < 4; i++) {
196 if (!(wpp->wpp_cis_info[i] == NULL ||
197 (pa->card->cis1_info[i] != NULL &&
198 strcmp(pa->card->cis1_info[i],
199 wpp->wpp_cis_info[i]) == 0)))
200 cis_match = 0;
201 }
202 if (cis_match)
203 return (wpp);
204 }
205
206 return (NULL);
207 }
208
209 static int
210 wdc_pcmcia_match(parent, match, aux)
211 struct device *parent;
212 struct cfdata *match;
213 void *aux;
214 {
215 struct pcmcia_attach_args *pa = aux;
216 struct pcmcia_softc *sc;
217 int iftype;
218
219 if (wdc_pcmcia_lookup(pa) != NULL)
220 return (1);
221
222 if (pa->pf->function == PCMCIA_FUNCTION_DISK) {
223 sc = pa->pf->sc;
224
225 pcmcia_chip_socket_enable(sc->pct, sc->pch);
226 iftype = wdc_pcmcia_disk_device_interface(pa->pf);
227 pcmcia_chip_socket_disable(sc->pct, sc->pch);
228
229 if (iftype == PCMCIA_TPLFE_DDI_PCCARD_ATA)
230 return (1);
231 }
232
233 return (0);
234 }
235
236 static void
237 wdc_pcmcia_attach(parent, self, aux)
238 struct device *parent;
239 struct device *self;
240 void *aux;
241 {
242 struct wdc_pcmcia_softc *sc = (void *)self;
243 struct pcmcia_attach_args *pa = aux;
244 struct pcmcia_config_entry *cfe;
245 struct wdc_pcmcia_product *wpp;
246 int quirks;
247
248 sc->sc_pf = pa->pf;
249
250 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
251 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
252 if (cfe->num_iospace != 1 && cfe->num_iospace != 2)
253 continue;
254
255 if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
256 cfe->iospace[0].length,
257 cfe->iospace[0].start == 0 ? cfe->iospace[0].length : 0,
258 &sc->sc_pioh))
259 continue;
260
261 if (cfe->num_iospace == 2) {
262 if (!pcmcia_io_alloc(pa->pf, cfe->iospace[1].start,
263 cfe->iospace[1].length, 0, &sc->sc_auxpioh))
264 break;
265 } else /* num_iospace == 1 */ {
266 sc->sc_auxpioh.iot = sc->sc_pioh.iot;
267 if (!bus_space_subregion(sc->sc_pioh.iot,
268 sc->sc_pioh.ioh, WDC_PCMCIA_AUXREG_OFFSET,
269 WDC_PCMCIA_AUXREG_NPORTS, &sc->sc_auxpioh.ioh))
270 break;
271 }
272 pcmcia_io_free(pa->pf, &sc->sc_pioh);
273 }
274
275 if (cfe == NULL) {
276 printf(": can't handle card info\n");
277 return;
278 }
279
280 /* Enable the card. */
281 pcmcia_function_init(pa->pf, cfe);
282 if (pcmcia_function_enable(pa->pf)) {
283 printf(": function enable failed\n");
284 return;
285 }
286
287 /*
288 * XXX DEC Mobile Media CDROM is not yet tested whether it works
289 * XXX with PCMCIA_WIDTH_IO16. HAGIWARA SYS-COM HPC-CF32 doesn't
290 * XXX work with PCMCIA_WIDTH_AUTO.
291 * XXX CANON FC-8M (SANDISK SDCFB 8M) works for both _AUTO and IO16.
292 * XXX So, here is temporary work around.
293 */
294 wpp = wdc_pcmcia_lookup(pa);
295 if (wpp != NULL)
296 quirks = wpp->wpp_quirk_flag;
297 else
298 quirks = 0;
299
300 if (pcmcia_io_map(pa->pf, quirks & WDC_PCMCIA_FORCE_16BIT_IO ?
301 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_AUTO, 0,
302 sc->sc_pioh.size, &sc->sc_pioh, &sc->sc_iowindow)) {
303 printf(": can't map first I/O space\n");
304 return;
305 }
306
307 /*
308 * Currently, # of iospace is 1 except DIGITAL Mobile Media CD-ROM.
309 * So whether the work around like above is necessary or not
310 * is unknown. XXX.
311 */
312 if (cfe->num_iospace > 1 &&
313 pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
314 sc->sc_auxpioh.size, &sc->sc_auxpioh, &sc->sc_auxiowindow)) {
315 printf(": can't map second I/O space\n");
316 return;
317 }
318
319 printf("\n");
320
321 sc->wdc_channel.cmd_iot = sc->sc_pioh.iot;
322 sc->wdc_channel.cmd_ioh = sc->sc_pioh.ioh;
323 sc->wdc_channel.ctl_iot = sc->sc_auxpioh.iot;
324 sc->wdc_channel.ctl_ioh = sc->sc_auxpioh.ioh;
325 sc->wdc_channel.data32iot = sc->wdc_channel.cmd_iot;
326 sc->wdc_channel.data32ioh = sc->wdc_channel.cmd_ioh;
327 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32;
328 sc->sc_wdcdev.pio_mode = 0;
329 sc->sc_wdcdev.channels = &sc->wdc_channel;
330 sc->sc_wdcdev.nchannels = 1;
331 sc->wdc_channel.channel = 0;
332 sc->wdc_channel.wdc = &sc->sc_wdcdev;
333 sc->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue),
334 M_DEVBUF, M_NOWAIT);
335 if (sc->wdc_channel.ch_queue == NULL) {
336 printf("%s: can't allocate memory for command queue",
337 sc->sc_wdcdev.sc_dev.dv_xname);
338 return;
339 }
340 if (quirks & WDC_PCMCIA_NO_EXTRA_RESETS)
341 sc->sc_wdcdev.cap |= WDC_CAPABILITY_NO_EXTRA_RESETS;
342
343 /* We can enable and disable the controller. */
344 sc->sc_wdcdev.sc_atapi_adapter.scsipi_enable = wdc_pcmcia_enable;
345
346 /*
347 * Disable the pcmcia function now; wdcattach() will enable
348 * us again as it adds references to probe for children.
349 */
350 pcmcia_function_disable(pa->pf);
351
352 wdcattach(&sc->wdc_channel);
353 }
354
355 int
356 wdc_pcmcia_enable(arg, onoff)
357 void *arg;
358 int onoff;
359 {
360 struct wdc_pcmcia_softc *sc = arg;
361
362 if (onoff) {
363 /* Establish the interrupt handler. */
364 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, wdcintr,
365 &sc->wdc_channel);
366 if (sc->sc_ih == NULL) {
367 printf("%s: couldn't establish interrupt handler\n",
368 sc->sc_wdcdev.sc_dev.dv_xname);
369 return (EIO);
370 }
371
372 if (pcmcia_function_enable(sc->sc_pf)) {
373 printf("%s: couldn't enable PCMCIA function\n",
374 sc->sc_wdcdev.sc_dev.dv_xname);
375 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
376 return (EIO);
377 }
378 } else {
379 pcmcia_function_disable(sc->sc_pf);
380 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
381 }
382
383 return (0);
384 }
385