wdc_pcmcia.c revision 1.16 1 /* $NetBSD: wdc_pcmcia.c,v 1.16 1998/11/21 15:41:42 drochner 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_chanptr;
76 struct channel_softc wdc_channel;
77 struct pcmcia_io_handle sc_pioh;
78 struct pcmcia_io_handle sc_auxpioh;
79 int sc_iowindow;
80 int sc_auxiowindow;
81 void *sc_ih;
82 struct pcmcia_function *sc_pf;
83 };
84
85 static int wdc_pcmcia_match __P((struct device *, struct cfdata *, void *));
86 static void wdc_pcmcia_attach __P((struct device *, struct device *, void *));
87
88 struct cfattach wdc_pcmcia_ca = {
89 sizeof(struct wdc_pcmcia_softc), wdc_pcmcia_match, wdc_pcmcia_attach
90 };
91
92 struct wdc_pcmcia_product {
93 u_int32_t wpp_vendor; /* vendor ID */
94 u_int32_t wpp_product; /* product ID */
95 int wpp_quirk_flag; /* Quirk flags */
96 #define WDC_PCMCIA_FORCE_16BIT_IO 0x01 /* Don't use PCMCIA_WIDTH_AUTO */
97 #define WDC_PCMCIA_NO_EXTRA_RESETS 0x02 /* Only reset ctrl once */
98 const char *wpp_cis_info[4]; /* XXX necessary? */
99 const char *wpp_name; /* product name */
100 } wdc_pcmcia_products[] = {
101
102 { /* PCMCIA_VENDOR_DIGITAL XXX */ 0x0100,
103 PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
104 0, { NULL, "Digital Mobile Media CD-ROM", NULL, NULL },
105 PCMCIA_STR_DIGITAL_MOBILE_MEDIA_CDROM },
106
107 { PCMCIA_VENDOR_HAGIWARASYSCOM,
108 -1, /* XXX */
109 WDC_PCMCIA_FORCE_16BIT_IO,
110 { NULL, NULL, NULL, NULL },
111 "Hagiwara SYS-COM CompactFlash Card" },
112
113 /* The TEAC IDE/Card II is used on the Sony Vaio */
114 { PCMCIA_VENDOR_TEAC,
115 PCMCIA_PRODUCT_TEAC_IDECARDII,
116 WDC_PCMCIA_NO_EXTRA_RESETS,
117 PCMCIA_CIS_TEAC_IDECARDII,
118 PCMCIA_STR_TEAC_IDECARDII },
119
120 { 0, 0, 0, { NULL, NULL, NULL, NULL}, NULL }
121 };
122
123 struct wdc_pcmcia_disk_device_interface_args {
124 int ddi_type; /* interface type */
125 int ddi_reqfn; /* function we are requesting iftype */
126 int ddi_curfn; /* function we are currently parsing in CIS */
127 };
128
129 int wdc_pcmcia_disk_device_interface_callback __P((struct pcmcia_tuple *,
130 void *));
131 int wdc_pcmcia_disk_device_interface __P((struct pcmcia_function *));
132 struct wdc_pcmcia_product *
133 wdc_pcmcia_lookup __P((struct pcmcia_attach_args *));
134
135 int wdc_pcmcia_enable __P((void *, int));
136
137 int
138 wdc_pcmcia_disk_device_interface_callback(tuple, arg)
139 struct pcmcia_tuple *tuple;
140 void *arg;
141 {
142 struct wdc_pcmcia_disk_device_interface_args *ddi = arg;
143
144 switch (tuple->code) {
145 case PCMCIA_CISTPL_FUNCID:
146 ddi->ddi_curfn++;
147 break;
148
149 case PCMCIA_CISTPL_FUNCE:
150 if (ddi->ddi_reqfn != ddi->ddi_curfn)
151 break;
152
153 /* subcode (disk device interface), data (interface type) */
154 if (tuple->length < 2)
155 break;
156
157 /* check type */
158 if (pcmcia_tuple_read_1(tuple, 0) !=
159 PCMCIA_TPLFE_TYPE_DISK_DEVICE_INTERFACE)
160 break;
161
162 ddi->ddi_type = pcmcia_tuple_read_1(tuple, 1);
163 return (1);
164 }
165 return (0);
166 }
167
168 int
169 wdc_pcmcia_disk_device_interface(pf)
170 struct pcmcia_function *pf;
171 {
172 struct wdc_pcmcia_disk_device_interface_args ddi;
173
174 ddi.ddi_reqfn = pf->number;
175 ddi.ddi_curfn = -1;
176 if (pcmcia_scan_cis((struct device *)pf->sc,
177 wdc_pcmcia_disk_device_interface_callback, &ddi) > 0)
178 return (ddi.ddi_type);
179 else
180 return (-1);
181 }
182
183 struct wdc_pcmcia_product *
184 wdc_pcmcia_lookup(pa)
185 struct pcmcia_attach_args *pa;
186 {
187 struct wdc_pcmcia_product *wpp;
188 int i, cis_match;
189
190 for (wpp = wdc_pcmcia_products; wpp->wpp_name != NULL; wpp++)
191 if ((wpp->wpp_vendor == -1 ||
192 pa->manufacturer == wpp->wpp_vendor) &&
193 (wpp->wpp_product == -1 ||
194 pa->product == wpp->wpp_product)) {
195 cis_match = 1;
196 for (i = 0; i < 4; i++) {
197 if (!(wpp->wpp_cis_info[i] == NULL ||
198 (pa->card->cis1_info[i] != NULL &&
199 strcmp(pa->card->cis1_info[i],
200 wpp->wpp_cis_info[i]) == 0)))
201 cis_match = 0;
202 }
203 if (cis_match)
204 return (wpp);
205 }
206
207 return (NULL);
208 }
209
210 static int
211 wdc_pcmcia_match(parent, match, aux)
212 struct device *parent;
213 struct cfdata *match;
214 void *aux;
215 {
216 struct pcmcia_attach_args *pa = aux;
217 struct pcmcia_softc *sc;
218 int iftype;
219
220 if (wdc_pcmcia_lookup(pa) != NULL)
221 return (1);
222
223 if (pa->pf->function == PCMCIA_FUNCTION_DISK) {
224 sc = pa->pf->sc;
225
226 pcmcia_chip_socket_enable(sc->pct, sc->pch);
227 iftype = wdc_pcmcia_disk_device_interface(pa->pf);
228 pcmcia_chip_socket_disable(sc->pct, sc->pch);
229
230 if (iftype == PCMCIA_TPLFE_DDI_PCCARD_ATA)
231 return (1);
232 }
233
234 return (0);
235 }
236
237 static void
238 wdc_pcmcia_attach(parent, self, aux)
239 struct device *parent;
240 struct device *self;
241 void *aux;
242 {
243 struct wdc_pcmcia_softc *sc = (void *)self;
244 struct pcmcia_attach_args *pa = aux;
245 struct pcmcia_config_entry *cfe;
246 struct wdc_pcmcia_product *wpp;
247 int quirks;
248
249 sc->sc_pf = pa->pf;
250
251 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
252 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
253 if (cfe->num_iospace != 1 && cfe->num_iospace != 2)
254 continue;
255
256 if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
257 cfe->iospace[0].length,
258 cfe->iospace[0].start == 0 ? cfe->iospace[0].length : 0,
259 &sc->sc_pioh))
260 continue;
261
262 if (cfe->num_iospace == 2) {
263 if (!pcmcia_io_alloc(pa->pf, cfe->iospace[1].start,
264 cfe->iospace[1].length, 0, &sc->sc_auxpioh))
265 break;
266 } else /* num_iospace == 1 */ {
267 sc->sc_auxpioh.iot = sc->sc_pioh.iot;
268 if (!bus_space_subregion(sc->sc_pioh.iot,
269 sc->sc_pioh.ioh, WDC_PCMCIA_AUXREG_OFFSET,
270 WDC_PCMCIA_AUXREG_NPORTS, &sc->sc_auxpioh.ioh))
271 break;
272 }
273 pcmcia_io_free(pa->pf, &sc->sc_pioh);
274 }
275
276 if (cfe == NULL) {
277 printf(": can't handle card info\n");
278 return;
279 }
280
281 /* Enable the card. */
282 pcmcia_function_init(pa->pf, cfe);
283 if (pcmcia_function_enable(pa->pf)) {
284 printf(": function enable failed\n");
285 return;
286 }
287
288 /*
289 * XXX DEC Mobile Media CDROM is not yet tested whether it works
290 * XXX with PCMCIA_WIDTH_IO16. HAGIWARA SYS-COM HPC-CF32 doesn't
291 * XXX work with PCMCIA_WIDTH_AUTO.
292 * XXX CANON FC-8M (SANDISK SDCFB 8M) works for both _AUTO and IO16.
293 * XXX So, here is temporary work around.
294 */
295 wpp = wdc_pcmcia_lookup(pa);
296 if (wpp != NULL)
297 quirks = wpp->wpp_quirk_flag;
298 else
299 quirks = 0;
300
301 if (pcmcia_io_map(pa->pf, quirks & WDC_PCMCIA_FORCE_16BIT_IO ?
302 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_AUTO, 0,
303 sc->sc_pioh.size, &sc->sc_pioh, &sc->sc_iowindow)) {
304 printf(": can't map first I/O space\n");
305 return;
306 }
307
308 /*
309 * Currently, # of iospace is 1 except DIGITAL Mobile Media CD-ROM.
310 * So whether the work around like above is necessary or not
311 * is unknown. XXX.
312 */
313 if (cfe->num_iospace > 1 &&
314 pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
315 sc->sc_auxpioh.size, &sc->sc_auxpioh, &sc->sc_auxiowindow)) {
316 printf(": can't map second I/O space\n");
317 return;
318 }
319
320 printf("\n");
321
322 sc->wdc_channel.cmd_iot = sc->sc_pioh.iot;
323 sc->wdc_channel.cmd_ioh = sc->sc_pioh.ioh;
324 sc->wdc_channel.ctl_iot = sc->sc_auxpioh.iot;
325 sc->wdc_channel.ctl_ioh = sc->sc_auxpioh.ioh;
326 sc->wdc_channel.data32iot = sc->wdc_channel.cmd_iot;
327 sc->wdc_channel.data32ioh = sc->wdc_channel.cmd_ioh;
328 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32;
329 sc->sc_wdcdev.pio_mode = 0;
330 sc->wdc_chanptr = &sc->wdc_channel;
331 sc->sc_wdcdev.channels = &sc->wdc_chanptr;
332 sc->sc_wdcdev.nchannels = 1;
333 sc->wdc_channel.channel = 0;
334 sc->wdc_channel.wdc = &sc->sc_wdcdev;
335 sc->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue),
336 M_DEVBUF, M_NOWAIT);
337 if (sc->wdc_channel.ch_queue == NULL) {
338 printf("%s: can't allocate memory for command queue",
339 sc->sc_wdcdev.sc_dev.dv_xname);
340 return;
341 }
342 if (quirks & WDC_PCMCIA_NO_EXTRA_RESETS)
343 sc->sc_wdcdev.cap |= WDC_CAPABILITY_NO_EXTRA_RESETS;
344
345 /* We can enable and disable the controller. */
346 sc->sc_wdcdev.sc_atapi_adapter.scsipi_enable = wdc_pcmcia_enable;
347
348 /*
349 * Disable the pcmcia function now; wdcattach() will enable
350 * us again as it adds references to probe for children.
351 */
352 pcmcia_function_disable(pa->pf);
353
354 wdcattach(&sc->wdc_channel);
355 }
356
357 int
358 wdc_pcmcia_enable(arg, onoff)
359 void *arg;
360 int onoff;
361 {
362 struct wdc_pcmcia_softc *sc = arg;
363
364 if (onoff) {
365 /* Establish the interrupt handler. */
366 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO, wdcintr,
367 &sc->wdc_channel);
368 if (sc->sc_ih == NULL) {
369 printf("%s: couldn't establish interrupt handler\n",
370 sc->sc_wdcdev.sc_dev.dv_xname);
371 return (EIO);
372 }
373
374 if (pcmcia_function_enable(sc->sc_pf)) {
375 printf("%s: couldn't enable PCMCIA function\n",
376 sc->sc_wdcdev.sc_dev.dv_xname);
377 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
378 return (EIO);
379 }
380 } else {
381 pcmcia_function_disable(sc->sc_pf);
382 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
383 }
384
385 return (0);
386 }
387