wdc_pcmcia.c revision 1.22 1 /* $NetBSD: wdc_pcmcia.c,v 1.22 1999/10/20 15:22:27 enami 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/ata/atavar.h>
66 #include <dev/ic/wdcvar.h>
67
68 #define WDC_PCMCIA_REG_NPORTS 8
69 #define WDC_PCMCIA_AUXREG_OFFSET (WDC_PCMCIA_REG_NPORTS + 6)
70 #define WDC_PCMCIA_AUXREG_NPORTS 2
71
72 struct wdc_pcmcia_softc {
73 struct wdc_softc sc_wdcdev;
74 struct channel_softc *wdc_chanptr;
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 int sc_flags;
83 #define WDC_PCMCIA_ATTACH 0x0001
84 };
85
86 static int wdc_pcmcia_match __P((struct device *, struct cfdata *, void *));
87 static void wdc_pcmcia_attach __P((struct device *, struct device *, void *));
88 static int wdc_pcmcia_detach __P((struct device *, int));
89
90 struct cfattach wdc_pcmcia_ca = {
91 sizeof(struct wdc_pcmcia_softc), wdc_pcmcia_match, wdc_pcmcia_attach,
92 wdc_pcmcia_detach, wdcactivate
93 };
94
95 struct wdc_pcmcia_product {
96 u_int32_t wpp_vendor; /* vendor ID */
97 u_int32_t wpp_product; /* product ID */
98 int wpp_quirk_flag; /* Quirk flags */
99 #define WDC_PCMCIA_FORCE_16BIT_IO 0x01 /* Don't use PCMCIA_WIDTH_AUTO */
100 #define WDC_PCMCIA_NO_EXTRA_RESETS 0x02 /* Only reset ctrl once */
101 const char *wpp_cis_info[4]; /* XXX necessary? */
102 const char *wpp_name; /* product name */
103 } wdc_pcmcia_products[] = {
104
105 { /* PCMCIA_VENDOR_DIGITAL XXX */ 0x0100,
106 PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
107 0, { NULL, "Digital Mobile Media CD-ROM", NULL, NULL },
108 PCMCIA_STR_DIGITAL_MOBILE_MEDIA_CDROM },
109
110 { PCMCIA_VENDOR_IBM,
111 PCMCIA_PRODUCT_IBM_PORTABLE_CDROM_DRIVE,
112 0, { NULL, "PCMCIA Portable CD-ROM Drive", NULL, NULL },
113 PCMCIA_STR_IBM_PORTABLE_CDROM_DRIVE },
114
115 { PCMCIA_VENDOR_HAGIWARASYSCOM,
116 -1, /* XXX */
117 WDC_PCMCIA_FORCE_16BIT_IO,
118 { NULL, NULL, NULL, NULL },
119 "Hagiwara SYS-COM CompactFlash Card" },
120
121 /* The TEAC IDE/Card II is used on the Sony Vaio */
122 { PCMCIA_VENDOR_TEAC,
123 PCMCIA_PRODUCT_TEAC_IDECARDII,
124 WDC_PCMCIA_NO_EXTRA_RESETS,
125 PCMCIA_CIS_TEAC_IDECARDII,
126 PCMCIA_STR_TEAC_IDECARDII },
127
128 { 0, 0, 0, { NULL, NULL, NULL, NULL}, NULL }
129 };
130
131 struct wdc_pcmcia_disk_device_interface_args {
132 int ddi_type; /* interface type */
133 int ddi_reqfn; /* function we are requesting iftype */
134 int ddi_curfn; /* function we are currently parsing in CIS */
135 };
136
137 int wdc_pcmcia_disk_device_interface_callback __P((struct pcmcia_tuple *,
138 void *));
139 int wdc_pcmcia_disk_device_interface __P((struct pcmcia_function *));
140 struct wdc_pcmcia_product *
141 wdc_pcmcia_lookup __P((struct pcmcia_attach_args *));
142
143 int wdc_pcmcia_enable __P((void *, int));
144
145 int
146 wdc_pcmcia_disk_device_interface_callback(tuple, arg)
147 struct pcmcia_tuple *tuple;
148 void *arg;
149 {
150 struct wdc_pcmcia_disk_device_interface_args *ddi = arg;
151
152 switch (tuple->code) {
153 case PCMCIA_CISTPL_FUNCID:
154 ddi->ddi_curfn++;
155 break;
156
157 case PCMCIA_CISTPL_FUNCE:
158 if (ddi->ddi_reqfn != ddi->ddi_curfn)
159 break;
160
161 /* subcode (disk device interface), data (interface type) */
162 if (tuple->length < 2)
163 break;
164
165 /* check type */
166 if (pcmcia_tuple_read_1(tuple, 0) !=
167 PCMCIA_TPLFE_TYPE_DISK_DEVICE_INTERFACE)
168 break;
169
170 ddi->ddi_type = pcmcia_tuple_read_1(tuple, 1);
171 return (1);
172 }
173 return (0);
174 }
175
176 int
177 wdc_pcmcia_disk_device_interface(pf)
178 struct pcmcia_function *pf;
179 {
180 struct wdc_pcmcia_disk_device_interface_args ddi;
181
182 ddi.ddi_reqfn = pf->number;
183 ddi.ddi_curfn = -1;
184 if (pcmcia_scan_cis((struct device *)pf->sc,
185 wdc_pcmcia_disk_device_interface_callback, &ddi) > 0)
186 return (ddi.ddi_type);
187 else
188 return (-1);
189 }
190
191 struct wdc_pcmcia_product *
192 wdc_pcmcia_lookup(pa)
193 struct pcmcia_attach_args *pa;
194 {
195 struct wdc_pcmcia_product *wpp;
196 int i, cis_match;
197
198 for (wpp = wdc_pcmcia_products; wpp->wpp_name != NULL; wpp++)
199 if ((wpp->wpp_vendor == -1 ||
200 pa->manufacturer == wpp->wpp_vendor) &&
201 (wpp->wpp_product == -1 ||
202 pa->product == wpp->wpp_product)) {
203 cis_match = 1;
204 for (i = 0; i < 4; i++) {
205 if (!(wpp->wpp_cis_info[i] == NULL ||
206 (pa->card->cis1_info[i] != NULL &&
207 strcmp(pa->card->cis1_info[i],
208 wpp->wpp_cis_info[i]) == 0)))
209 cis_match = 0;
210 }
211 if (cis_match)
212 return (wpp);
213 }
214
215 return (NULL);
216 }
217
218 static int
219 wdc_pcmcia_match(parent, match, aux)
220 struct device *parent;
221 struct cfdata *match;
222 void *aux;
223 {
224 struct pcmcia_attach_args *pa = aux;
225 struct pcmcia_softc *sc;
226 int iftype;
227
228 if (wdc_pcmcia_lookup(pa) != NULL)
229 return (1);
230
231 if (pa->pf->function == PCMCIA_FUNCTION_DISK) {
232 sc = pa->pf->sc;
233
234 pcmcia_chip_socket_enable(sc->pct, sc->pch);
235 iftype = wdc_pcmcia_disk_device_interface(pa->pf);
236 pcmcia_chip_socket_disable(sc->pct, sc->pch);
237
238 if (iftype == PCMCIA_TPLFE_DDI_PCCARD_ATA)
239 return (1);
240 }
241
242 return (0);
243 }
244
245 static void
246 wdc_pcmcia_attach(parent, self, aux)
247 struct device *parent;
248 struct device *self;
249 void *aux;
250 {
251 struct wdc_pcmcia_softc *sc = (void *)self;
252 struct pcmcia_attach_args *pa = aux;
253 struct pcmcia_config_entry *cfe;
254 struct wdc_pcmcia_product *wpp;
255 int quirks;
256
257 sc->sc_pf = pa->pf;
258
259 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
260 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
261 if (cfe->num_iospace != 1 && cfe->num_iospace != 2)
262 continue;
263
264 if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
265 cfe->iospace[0].length,
266 cfe->iospace[0].start == 0 ? cfe->iospace[0].length : 0,
267 &sc->sc_pioh))
268 continue;
269
270 if (cfe->num_iospace == 2) {
271 if (!pcmcia_io_alloc(pa->pf, cfe->iospace[1].start,
272 cfe->iospace[1].length, 0, &sc->sc_auxpioh))
273 break;
274 } else /* num_iospace == 1 */ {
275 sc->sc_auxpioh.iot = sc->sc_pioh.iot;
276 if (!bus_space_subregion(sc->sc_pioh.iot,
277 sc->sc_pioh.ioh, WDC_PCMCIA_AUXREG_OFFSET,
278 WDC_PCMCIA_AUXREG_NPORTS, &sc->sc_auxpioh.ioh))
279 break;
280 }
281 pcmcia_io_free(pa->pf, &sc->sc_pioh);
282 }
283
284 if (cfe == NULL) {
285 printf(": can't handle card info\n");
286 return;
287 }
288
289 /* Enable the card. */
290 pcmcia_function_init(pa->pf, cfe);
291 if (pcmcia_function_enable(pa->pf)) {
292 printf(": function enable failed\n");
293 return;
294 }
295
296 /*
297 * XXX DEC Mobile Media CDROM is not yet tested whether it works
298 * XXX with PCMCIA_WIDTH_IO16. HAGIWARA SYS-COM HPC-CF32 doesn't
299 * XXX work with PCMCIA_WIDTH_AUTO.
300 * XXX CANON FC-8M (SANDISK SDCFB 8M) works for both _AUTO and IO16.
301 * XXX So, here is temporary work around.
302 */
303 wpp = wdc_pcmcia_lookup(pa);
304 if (wpp != NULL)
305 quirks = wpp->wpp_quirk_flag;
306 else
307 quirks = 0;
308
309 if (pcmcia_io_map(pa->pf, quirks & WDC_PCMCIA_FORCE_16BIT_IO ?
310 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_AUTO, 0,
311 sc->sc_pioh.size, &sc->sc_pioh, &sc->sc_iowindow)) {
312 printf(": can't map first I/O space\n");
313 return;
314 }
315
316 /*
317 * Currently, # of iospace is 1 except DIGITAL Mobile Media CD-ROM.
318 * So whether the work around like above is necessary or not
319 * is unknown. XXX.
320 */
321 if (cfe->num_iospace > 1 &&
322 pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
323 sc->sc_auxpioh.size, &sc->sc_auxpioh, &sc->sc_auxiowindow)) {
324 printf(": can't map second I/O space\n");
325 return;
326 } else
327 sc->sc_auxiowindow = -1;
328
329 printf("\n");
330
331 sc->wdc_channel.cmd_iot = sc->sc_pioh.iot;
332 sc->wdc_channel.cmd_ioh = sc->sc_pioh.ioh;
333 sc->wdc_channel.ctl_iot = sc->sc_auxpioh.iot;
334 sc->wdc_channel.ctl_ioh = sc->sc_auxpioh.ioh;
335 sc->wdc_channel.data32iot = sc->wdc_channel.cmd_iot;
336 sc->wdc_channel.data32ioh = sc->wdc_channel.cmd_ioh;
337 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32;
338 sc->sc_wdcdev.PIO_cap = 0;
339 sc->wdc_chanptr = &sc->wdc_channel;
340 sc->sc_wdcdev.channels = &sc->wdc_chanptr;
341 sc->sc_wdcdev.nchannels = 1;
342 sc->wdc_channel.channel = 0;
343 sc->wdc_channel.wdc = &sc->sc_wdcdev;
344 sc->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue),
345 M_DEVBUF, M_NOWAIT);
346 if (sc->wdc_channel.ch_queue == NULL) {
347 printf("%s: can't allocate memory for command queue\n",
348 sc->sc_wdcdev.sc_dev.dv_xname);
349 return;
350 }
351 if (quirks & WDC_PCMCIA_NO_EXTRA_RESETS)
352 sc->sc_wdcdev.cap |= WDC_CAPABILITY_NO_EXTRA_RESETS;
353
354 /* We can enable and disable the controller. */
355 sc->sc_wdcdev.sc_atapi_adapter.scsipi_enable = wdc_pcmcia_enable;
356
357 sc->sc_flags |= WDC_PCMCIA_ATTACH;
358 wdcattach(&sc->wdc_channel);
359 sc->sc_flags &= ~WDC_PCMCIA_ATTACH;
360 }
361
362 int
363 wdc_pcmcia_detach(self, flags)
364 struct device *self;
365 int flags;
366 {
367 struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
368 int error;
369
370 if ((error = wdcdetach(self, flags)) != 0)
371 return (error);
372
373 free(sc->wdc_channel.ch_queue, M_DEVBUF);
374
375 /* Unmap our i/o window and i/o space. */
376 pcmcia_io_unmap(sc->sc_pf, sc->sc_iowindow);
377 pcmcia_io_free(sc->sc_pf, &sc->sc_pioh);
378 if (sc->sc_auxiowindow != -1) {
379 pcmcia_io_unmap(sc->sc_pf, sc->sc_auxiowindow);
380 pcmcia_io_free(sc->sc_pf, &sc->sc_auxpioh);
381 }
382
383 return (0);
384 }
385
386 int
387 wdc_pcmcia_enable(arg, onoff)
388 void *arg;
389 int onoff;
390 {
391 struct wdc_pcmcia_softc *sc = arg;
392
393 if (onoff) {
394 /* Establish the interrupt handler. */
395 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, wdcintr,
396 &sc->wdc_channel);
397 if (sc->sc_ih == NULL) {
398 printf("%s: couldn't establish interrupt handler\n",
399 sc->sc_wdcdev.sc_dev.dv_xname);
400 return (EIO);
401 }
402
403 if ((sc->sc_flags & WDC_PCMCIA_ATTACH) == 0) {
404 if (pcmcia_function_enable(sc->sc_pf)) {
405 printf("%s: couldn't enable PCMCIA function\n",
406 sc->sc_wdcdev.sc_dev.dv_xname);
407 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
408 return (EIO);
409 }
410 wdcreset(&sc->wdc_channel, VERBOSE);
411 }
412 } else {
413 pcmcia_function_disable(sc->sc_pf);
414 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
415 }
416
417 return (0);
418 }
419