wdc_pcmcia.c revision 1.21 1 /* $NetBSD: wdc_pcmcia.c,v 1.21 1999/09/23 11:04:33 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 };
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 static int wdc_pcmcia_detach __P((struct device *, int));
87
88 struct cfattach wdc_pcmcia_ca = {
89 sizeof(struct wdc_pcmcia_softc), wdc_pcmcia_match, wdc_pcmcia_attach,
90 wdc_pcmcia_detach, wdcactivate
91 };
92
93 struct wdc_pcmcia_product {
94 u_int32_t wpp_vendor; /* vendor ID */
95 u_int32_t wpp_product; /* product ID */
96 int wpp_quirk_flag; /* Quirk flags */
97 #define WDC_PCMCIA_FORCE_16BIT_IO 0x01 /* Don't use PCMCIA_WIDTH_AUTO */
98 #define WDC_PCMCIA_NO_EXTRA_RESETS 0x02 /* Only reset ctrl once */
99 const char *wpp_cis_info[4]; /* XXX necessary? */
100 const char *wpp_name; /* product name */
101 } wdc_pcmcia_products[] = {
102
103 { /* PCMCIA_VENDOR_DIGITAL XXX */ 0x0100,
104 PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
105 0, { NULL, "Digital Mobile Media CD-ROM", NULL, NULL },
106 PCMCIA_STR_DIGITAL_MOBILE_MEDIA_CDROM },
107
108 { PCMCIA_VENDOR_IBM,
109 PCMCIA_PRODUCT_IBM_PORTABLE_CDROM_DRIVE,
110 0, { NULL, "PCMCIA Portable CD-ROM Drive", NULL, NULL },
111 PCMCIA_STR_IBM_PORTABLE_CDROM_DRIVE },
112
113 { PCMCIA_VENDOR_HAGIWARASYSCOM,
114 -1, /* XXX */
115 WDC_PCMCIA_FORCE_16BIT_IO,
116 { NULL, NULL, NULL, NULL },
117 "Hagiwara SYS-COM CompactFlash Card" },
118
119 /* The TEAC IDE/Card II is used on the Sony Vaio */
120 { PCMCIA_VENDOR_TEAC,
121 PCMCIA_PRODUCT_TEAC_IDECARDII,
122 WDC_PCMCIA_NO_EXTRA_RESETS,
123 PCMCIA_CIS_TEAC_IDECARDII,
124 PCMCIA_STR_TEAC_IDECARDII },
125
126 { 0, 0, 0, { NULL, NULL, NULL, NULL}, NULL }
127 };
128
129 struct wdc_pcmcia_disk_device_interface_args {
130 int ddi_type; /* interface type */
131 int ddi_reqfn; /* function we are requesting iftype */
132 int ddi_curfn; /* function we are currently parsing in CIS */
133 };
134
135 int wdc_pcmcia_disk_device_interface_callback __P((struct pcmcia_tuple *,
136 void *));
137 int wdc_pcmcia_disk_device_interface __P((struct pcmcia_function *));
138 struct wdc_pcmcia_product *
139 wdc_pcmcia_lookup __P((struct pcmcia_attach_args *));
140
141 int wdc_pcmcia_enable __P((void *, int));
142
143 int
144 wdc_pcmcia_disk_device_interface_callback(tuple, arg)
145 struct pcmcia_tuple *tuple;
146 void *arg;
147 {
148 struct wdc_pcmcia_disk_device_interface_args *ddi = arg;
149
150 switch (tuple->code) {
151 case PCMCIA_CISTPL_FUNCID:
152 ddi->ddi_curfn++;
153 break;
154
155 case PCMCIA_CISTPL_FUNCE:
156 if (ddi->ddi_reqfn != ddi->ddi_curfn)
157 break;
158
159 /* subcode (disk device interface), data (interface type) */
160 if (tuple->length < 2)
161 break;
162
163 /* check type */
164 if (pcmcia_tuple_read_1(tuple, 0) !=
165 PCMCIA_TPLFE_TYPE_DISK_DEVICE_INTERFACE)
166 break;
167
168 ddi->ddi_type = pcmcia_tuple_read_1(tuple, 1);
169 return (1);
170 }
171 return (0);
172 }
173
174 int
175 wdc_pcmcia_disk_device_interface(pf)
176 struct pcmcia_function *pf;
177 {
178 struct wdc_pcmcia_disk_device_interface_args ddi;
179
180 ddi.ddi_reqfn = pf->number;
181 ddi.ddi_curfn = -1;
182 if (pcmcia_scan_cis((struct device *)pf->sc,
183 wdc_pcmcia_disk_device_interface_callback, &ddi) > 0)
184 return (ddi.ddi_type);
185 else
186 return (-1);
187 }
188
189 struct wdc_pcmcia_product *
190 wdc_pcmcia_lookup(pa)
191 struct pcmcia_attach_args *pa;
192 {
193 struct wdc_pcmcia_product *wpp;
194 int i, cis_match;
195
196 for (wpp = wdc_pcmcia_products; wpp->wpp_name != NULL; wpp++)
197 if ((wpp->wpp_vendor == -1 ||
198 pa->manufacturer == wpp->wpp_vendor) &&
199 (wpp->wpp_product == -1 ||
200 pa->product == wpp->wpp_product)) {
201 cis_match = 1;
202 for (i = 0; i < 4; i++) {
203 if (!(wpp->wpp_cis_info[i] == NULL ||
204 (pa->card->cis1_info[i] != NULL &&
205 strcmp(pa->card->cis1_info[i],
206 wpp->wpp_cis_info[i]) == 0)))
207 cis_match = 0;
208 }
209 if (cis_match)
210 return (wpp);
211 }
212
213 return (NULL);
214 }
215
216 static int
217 wdc_pcmcia_match(parent, match, aux)
218 struct device *parent;
219 struct cfdata *match;
220 void *aux;
221 {
222 struct pcmcia_attach_args *pa = aux;
223 struct pcmcia_softc *sc;
224 int iftype;
225
226 if (wdc_pcmcia_lookup(pa) != NULL)
227 return (1);
228
229 if (pa->pf->function == PCMCIA_FUNCTION_DISK) {
230 sc = pa->pf->sc;
231
232 pcmcia_chip_socket_enable(sc->pct, sc->pch);
233 iftype = wdc_pcmcia_disk_device_interface(pa->pf);
234 pcmcia_chip_socket_disable(sc->pct, sc->pch);
235
236 if (iftype == PCMCIA_TPLFE_DDI_PCCARD_ATA)
237 return (1);
238 }
239
240 return (0);
241 }
242
243 static void
244 wdc_pcmcia_attach(parent, self, aux)
245 struct device *parent;
246 struct device *self;
247 void *aux;
248 {
249 struct wdc_pcmcia_softc *sc = (void *)self;
250 struct pcmcia_attach_args *pa = aux;
251 struct pcmcia_config_entry *cfe;
252 struct wdc_pcmcia_product *wpp;
253 int quirks;
254
255 sc->sc_pf = pa->pf;
256
257 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
258 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
259 if (cfe->num_iospace != 1 && cfe->num_iospace != 2)
260 continue;
261
262 if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
263 cfe->iospace[0].length,
264 cfe->iospace[0].start == 0 ? cfe->iospace[0].length : 0,
265 &sc->sc_pioh))
266 continue;
267
268 if (cfe->num_iospace == 2) {
269 if (!pcmcia_io_alloc(pa->pf, cfe->iospace[1].start,
270 cfe->iospace[1].length, 0, &sc->sc_auxpioh))
271 break;
272 } else /* num_iospace == 1 */ {
273 sc->sc_auxpioh.iot = sc->sc_pioh.iot;
274 if (!bus_space_subregion(sc->sc_pioh.iot,
275 sc->sc_pioh.ioh, WDC_PCMCIA_AUXREG_OFFSET,
276 WDC_PCMCIA_AUXREG_NPORTS, &sc->sc_auxpioh.ioh))
277 break;
278 }
279 pcmcia_io_free(pa->pf, &sc->sc_pioh);
280 }
281
282 if (cfe == NULL) {
283 printf(": can't handle card info\n");
284 return;
285 }
286
287 /* Enable the card. */
288 pcmcia_function_init(pa->pf, cfe);
289 if (pcmcia_function_enable(pa->pf)) {
290 printf(": function enable failed\n");
291 return;
292 }
293
294 /*
295 * XXX DEC Mobile Media CDROM is not yet tested whether it works
296 * XXX with PCMCIA_WIDTH_IO16. HAGIWARA SYS-COM HPC-CF32 doesn't
297 * XXX work with PCMCIA_WIDTH_AUTO.
298 * XXX CANON FC-8M (SANDISK SDCFB 8M) works for both _AUTO and IO16.
299 * XXX So, here is temporary work around.
300 */
301 wpp = wdc_pcmcia_lookup(pa);
302 if (wpp != NULL)
303 quirks = wpp->wpp_quirk_flag;
304 else
305 quirks = 0;
306
307 if (pcmcia_io_map(pa->pf, quirks & WDC_PCMCIA_FORCE_16BIT_IO ?
308 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_AUTO, 0,
309 sc->sc_pioh.size, &sc->sc_pioh, &sc->sc_iowindow)) {
310 printf(": can't map first I/O space\n");
311 return;
312 }
313
314 /*
315 * Currently, # of iospace is 1 except DIGITAL Mobile Media CD-ROM.
316 * So whether the work around like above is necessary or not
317 * is unknown. XXX.
318 */
319 if (cfe->num_iospace > 1 &&
320 pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
321 sc->sc_auxpioh.size, &sc->sc_auxpioh, &sc->sc_auxiowindow)) {
322 printf(": can't map second I/O space\n");
323 return;
324 } else
325 sc->sc_auxiowindow = -1;
326
327 printf("\n");
328
329 sc->wdc_channel.cmd_iot = sc->sc_pioh.iot;
330 sc->wdc_channel.cmd_ioh = sc->sc_pioh.ioh;
331 sc->wdc_channel.ctl_iot = sc->sc_auxpioh.iot;
332 sc->wdc_channel.ctl_ioh = sc->sc_auxpioh.ioh;
333 sc->wdc_channel.data32iot = sc->wdc_channel.cmd_iot;
334 sc->wdc_channel.data32ioh = sc->wdc_channel.cmd_ioh;
335 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32;
336 sc->sc_wdcdev.PIO_cap = 0;
337 sc->wdc_chanptr = &sc->wdc_channel;
338 sc->sc_wdcdev.channels = &sc->wdc_chanptr;
339 sc->sc_wdcdev.nchannels = 1;
340 sc->wdc_channel.channel = 0;
341 sc->wdc_channel.wdc = &sc->sc_wdcdev;
342 sc->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue),
343 M_DEVBUF, M_NOWAIT);
344 if (sc->wdc_channel.ch_queue == NULL) {
345 printf("%s: can't allocate memory for command queue\n",
346 sc->sc_wdcdev.sc_dev.dv_xname);
347 return;
348 }
349 if (quirks & WDC_PCMCIA_NO_EXTRA_RESETS)
350 sc->sc_wdcdev.cap |= WDC_CAPABILITY_NO_EXTRA_RESETS;
351
352 /* We can enable and disable the controller. */
353 sc->sc_wdcdev.sc_atapi_adapter.scsipi_enable = wdc_pcmcia_enable;
354
355 /*
356 * Disable the pcmcia function now; wdcattach() will enable
357 * us again as it adds references to probe for children.
358 */
359 pcmcia_function_disable(pa->pf);
360
361 wdcattach(&sc->wdc_channel);
362 }
363
364 int
365 wdc_pcmcia_detach(self, flags)
366 struct device *self;
367 int flags;
368 {
369 struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
370 int error;
371
372 if ((error = wdcdetach(self, flags)) != 0)
373 return (error);
374
375 free(sc->wdc_channel.ch_queue, M_DEVBUF);
376
377 /* Unmap our i/o window and i/o space. */
378 pcmcia_io_unmap(sc->sc_pf, sc->sc_iowindow);
379 pcmcia_io_free(sc->sc_pf, &sc->sc_pioh);
380 if (sc->sc_auxiowindow != -1) {
381 pcmcia_io_unmap(sc->sc_pf, sc->sc_auxiowindow);
382 pcmcia_io_free(sc->sc_pf, &sc->sc_auxpioh);
383 }
384
385 return (0);
386 }
387
388 int
389 wdc_pcmcia_enable(arg, onoff)
390 void *arg;
391 int onoff;
392 {
393 struct wdc_pcmcia_softc *sc = arg;
394
395 if (onoff) {
396 /* Establish the interrupt handler. */
397 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, wdcintr,
398 &sc->wdc_channel);
399 if (sc->sc_ih == NULL) {
400 printf("%s: couldn't establish interrupt handler\n",
401 sc->sc_wdcdev.sc_dev.dv_xname);
402 return (EIO);
403 }
404
405 if (pcmcia_function_enable(sc->sc_pf)) {
406 printf("%s: couldn't enable PCMCIA function\n",
407 sc->sc_wdcdev.sc_dev.dv_xname);
408 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
409 return (EIO);
410 }
411 } else {
412 pcmcia_function_disable(sc->sc_pf);
413 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
414 }
415
416 return (0);
417 }
418