wdc_pcmcia.c revision 1.86 1 /* $NetBSD: wdc_pcmcia.c,v 1.86 2004/08/11 18:41:46 mycroft Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 2003, 2004 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/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: wdc_pcmcia.c,v 1.86 2004/08/11 18:41:46 mycroft Exp $");
41
42 #include <sys/param.h>
43 #include <sys/device.h>
44 #include <sys/malloc.h>
45 #include <sys/systm.h>
46
47 #include <machine/bus.h>
48 #include <machine/intr.h>
49
50 #include <dev/pcmcia/pcmciareg.h>
51 #include <dev/pcmcia/pcmciavar.h>
52 #include <dev/pcmcia/pcmciadevs.h>
53
54 #include <dev/ic/wdcreg.h>
55 #include <dev/ata/atavar.h>
56 #include <dev/ic/wdcvar.h>
57
58 #define WDC_PCMCIA_REG_NPORTS 8
59 #define WDC_PCMCIA_AUXREG_OFFSET (WDC_PCMCIA_REG_NPORTS + 6)
60 #define WDC_PCMCIA_AUXREG_NPORTS 2
61
62 struct wdc_pcmcia_softc {
63 struct wdc_softc sc_wdcdev;
64 struct wdc_channel *wdc_chanlist[1];
65 struct wdc_channel wdc_channel;
66 struct ata_queue wdc_chqueue;
67
68 struct pcmcia_function *sc_pf;
69 void *sc_ih;
70
71 int sc_state;
72 #define WDC_PCMCIA_ATTACHED 3
73 };
74
75 static int wdc_pcmcia_match __P((struct device *, struct cfdata *, void *));
76 static int wdc_pcmcia_validate_config __P((struct pcmcia_config_entry *));
77 static void wdc_pcmcia_attach __P((struct device *, struct device *, void *));
78 static int wdc_pcmcia_detach __P((struct device *, int));
79
80 CFATTACH_DECL(wdc_pcmcia, sizeof(struct wdc_pcmcia_softc),
81 wdc_pcmcia_match, wdc_pcmcia_attach, wdc_pcmcia_detach, wdcactivate);
82
83 const struct pcmcia_product wdc_pcmcia_products[] = {
84 { PCMCIA_VENDOR_DIGITAL,
85 PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
86 {NULL, "Digital Mobile Media CD-ROM", NULL, NULL} },
87
88 { PCMCIA_VENDOR_IBM,
89 PCMCIA_PRODUCT_IBM_PORTABLE_CDROM,
90 {NULL, "PCMCIA Portable CD-ROM Drive", NULL, NULL} },
91
92 /* The TEAC IDE/Card II is used on the Sony Vaio */
93 { PCMCIA_VENDOR_TEAC,
94 PCMCIA_PRODUCT_TEAC_IDECARDII,
95 PCMCIA_CIS_TEAC_IDECARDII },
96
97 /*
98 * A fujitsu rebranded panasonic drive that reports
99 * itself as function "scsi", disk interface 0
100 */
101 { PCMCIA_VENDOR_PANASONIC,
102 PCMCIA_PRODUCT_PANASONIC_KXLC005,
103 PCMCIA_CIS_PANASONIC_KXLC005 },
104
105 /*
106 * EXP IDE/ATAPI DVD Card use with some DVD players.
107 * Does not have a vendor ID or product ID.
108 */
109 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
110 PCMCIA_CIS_EXP_EXPMULTIMEDIA },
111
112 /* Mobile Dock 2, neither vendor ID nor product ID */
113 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
114 {"SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", NULL, NULL} },
115
116 /* Toshiba Portege 3110 CD, neither vendor ID nor product ID */
117 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
118 {"FREECOM", "PCCARD-IDE", NULL, NULL} },
119
120 /* Random CD-ROM, (badged AMACOM), neither vendor ID nor product ID */
121 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
122 {"PCMCIA", "CD-ROM", NULL, NULL} },
123
124 /* IO DATA CBIDE2, with neither vendor ID nor product ID */
125 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
126 PCMCIA_CIS_IODATA_CBIDE2 },
127
128 /* TOSHIBA PA2673U(IODATA_CBIDE2 OEM), */
129 /* with neither vendor ID nor product ID */
130 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
131 PCMCIA_CIS_TOSHIBA_CBIDE2 },
132
133 /*
134 * Novac PCMCIA-IDE Card for HD530P IDE Box,
135 * with neither vendor ID nor product ID
136 */
137 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
138 {"PCMCIA", "PnPIDE", NULL, NULL} },
139 };
140 const size_t wdc_pcmcia_nproducts =
141 sizeof(wdc_pcmcia_products) / sizeof(wdc_pcmcia_products[0]);
142
143 int wdc_pcmcia_enable __P((struct device *, int));
144 void wdc_pcmcia_datain_memory __P((struct wdc_channel *, int, void *,
145 size_t));
146 void wdc_pcmcia_dataout_memory __P((struct wdc_channel *, int, void *,
147 size_t));
148
149 static int
150 wdc_pcmcia_match(parent, match, aux)
151 struct device *parent;
152 struct cfdata *match;
153 void *aux;
154 {
155 struct pcmcia_attach_args *pa = aux;
156
157 if (pa->pf->function == PCMCIA_FUNCTION_DISK &&
158 pa->pf->pf_funce_disk_interface == PCMCIA_TPLFE_DDI_PCCARD_ATA)
159 return (1);
160 if (pcmcia_product_lookup(pa, wdc_pcmcia_products, wdc_pcmcia_nproducts,
161 sizeof(wdc_pcmcia_products[0]), NULL))
162 return (2);
163 return (0);
164 }
165
166 static int
167 wdc_pcmcia_validate_config(cfe)
168 struct pcmcia_config_entry *cfe;
169 {
170 /*
171 * NOTE: We can't use pure memory card mode, because we wouldn't get
172 * any interrupts.
173 */
174 switch (cfe->iftype) {
175 case PCMCIA_IFTYPE_IO:
176 if (cfe->num_iospace < 1 || cfe->num_iospace > 2 ||
177 cfe->num_memspace > 1)
178 return (EINVAL);
179 break;
180 default:
181 return (EINVAL);
182 }
183 return (0);
184 }
185
186 static void
187 wdc_pcmcia_attach(parent, self, aux)
188 struct device *parent;
189 struct device *self;
190 void *aux;
191 {
192 struct wdc_pcmcia_softc *sc = (void *)self;
193 struct pcmcia_attach_args *pa = aux;
194 struct pcmcia_config_entry *cfe;
195 bus_size_t offset;
196 int i;
197 int error;
198
199 sc->sc_pf = pa->pf;
200
201 /*XXXmem16|common*/
202 error = pcmcia_function_configure(pa->pf, wdc_pcmcia_validate_config);
203 if (error) {
204 aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
205 error);
206 return;
207 }
208
209 cfe = pa->pf->cfe;
210 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16;
211 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA32;
212
213 sc->wdc_channel.cmd_iot = cfe->iospace[0].handle.iot;
214 sc->wdc_channel.cmd_baseioh = cfe->iospace[0].handle.ioh;
215 offset = 0;
216
217 if (cfe->num_iospace == 1) {
218 sc->wdc_channel.ctl_iot = cfe->iospace[0].handle.iot;
219 if (bus_space_subregion(cfe->iospace[0].handle.iot,
220 cfe->iospace[0].handle.ioh,
221 WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
222 &sc->wdc_channel.ctl_ioh))
223 goto fail;
224 } else {
225 sc->wdc_channel.ctl_iot = cfe->iospace[1].handle.iot;
226 sc->wdc_channel.ctl_ioh = cfe->iospace[1].handle.ioh;
227 }
228
229 for (i = 0; i < WDC_PCMCIA_REG_NPORTS; i++) {
230 if (bus_space_subregion(sc->wdc_channel.cmd_iot,
231 sc->wdc_channel.cmd_baseioh,
232 offset + i, i == 0 ? 4 : 1,
233 &sc->wdc_channel.cmd_iohs[i]) != 0) {
234 aprint_error("%s: can't subregion I/O space\n",
235 self->dv_xname);
236 goto fail2;
237 }
238 }
239
240 if (cfe->num_memspace == 1) {
241 sc->wdc_channel.data32iot = cfe->memspace[0].handle.memt;
242 if (bus_space_subregion(cfe->memspace[0].handle.memt,
243 cfe->memspace[0].handle.memh,
244 cfe->memspace[0].offset + 1024, 1024,
245 &sc->wdc_channel.data32ioh))
246 goto fail;
247 aprint_normal("%s: memory mapped mode\n", self->dv_xname);
248 #if 0
249 sc->wdc_channel.datain_pio = wdc_pcmcia_datain_memory;
250 sc->wdc_channel.dataout_pio = wdc_pcmcia_dataout_memory;
251 #endif
252 } else {
253 sc->wdc_channel.data32iot = sc->wdc_channel.cmd_iot;
254 sc->wdc_channel.data32ioh = sc->wdc_channel.cmd_iohs[wd_data];
255 aprint_normal("%s: i/o mapped mode\n", self->dv_xname);
256 }
257
258 error = wdc_pcmcia_enable(self, 1);
259 if (error)
260 goto fail;
261
262 wdc_init_shadow_regs(&sc->wdc_channel);
263 sc->sc_wdcdev.PIO_cap = 0;
264 sc->wdc_chanlist[0] = &sc->wdc_channel;
265 sc->sc_wdcdev.channels = sc->wdc_chanlist;
266 sc->sc_wdcdev.nchannels = 1;
267 sc->wdc_channel.ch_channel = 0;
268 sc->wdc_channel.ch_wdc = &sc->sc_wdcdev;
269 sc->wdc_channel.ch_queue = &sc->wdc_chqueue;
270
271 /* We can enable and disable the controller. */
272 sc->sc_wdcdev.sc_atapi_adapter._generic.adapt_enable =
273 wdc_pcmcia_enable;
274 sc->sc_wdcdev.sc_atapi_adapter._generic.adapt_refcnt = 1;
275
276 wdcattach(&sc->wdc_channel);
277 wdc_delref(&sc->wdc_channel);
278 sc->sc_state = WDC_PCMCIA_ATTACHED;
279 return;
280
281 fail2:
282 wdc_pcmcia_enable(self, 0);
283 fail:
284 pcmcia_function_unconfigure(pa->pf);
285 }
286
287 int
288 wdc_pcmcia_detach(self, flags)
289 struct device *self;
290 int flags;
291 {
292 struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
293 int error;
294
295 if (sc->sc_state != WDC_PCMCIA_ATTACHED)
296 return (0);
297
298 if ((error = wdcdetach(self, flags)) != 0)
299 return (error);
300
301 pcmcia_function_unconfigure(sc->sc_pf);
302
303 return (0);
304 }
305
306 int
307 wdc_pcmcia_enable(self, onoff)
308 struct device *self;
309 int onoff;
310 {
311 struct wdc_pcmcia_softc *sc = (void *)self;
312 int error;
313
314 if (onoff) {
315 /* Establish the interrupt handler. */
316 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
317 wdcintr, &sc->wdc_channel);
318 if (!sc->sc_ih)
319 return (EIO);
320
321 error = pcmcia_function_enable(sc->sc_pf);
322 if (error) {
323 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
324 sc->sc_ih = 0;
325 return (error);
326 }
327 } else {
328 pcmcia_function_disable(sc->sc_pf);
329 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
330 sc->sc_ih = 0;
331 }
332
333 return (0);
334 }
335
336 void
337 wdc_pcmcia_datain_memory(chp, flags, buf, len)
338 struct wdc_channel *chp;
339 int flags;
340 void *buf;
341 size_t len;
342 {
343
344 while (len > 0) {
345 size_t n;
346
347 n = min(len, 1024);
348 if (flags & DRIVE_NOSTREAM) {
349 if ((flags & DRIVE_CAP32) && (n & 3) == 0)
350 bus_space_read_region_4(
351 chp->data32iot, chp->data32ioh,
352 0, buf, n >> 2);
353 else
354 bus_space_read_region_2(
355 chp->data32iot, chp->data32ioh,
356 0, buf, n >> 1);
357 } else {
358 if ((flags & DRIVE_CAP32) && (n & 3) == 0)
359 bus_space_read_region_stream_4(
360 chp->data32iot, chp->data32ioh,
361 0, buf, n >> 2);
362 else
363 bus_space_read_region_stream_2(
364 chp->data32iot, chp->data32ioh,
365 0, buf, n >> 1);
366 }
367 buf = (char *)buf + n;
368 len -= n;
369 }
370 }
371
372 void
373 wdc_pcmcia_dataout_memory(chp, flags, buf, len)
374 struct wdc_channel *chp;
375 int flags;
376 void *buf;
377 size_t len;
378 {
379
380 while (len > 0) {
381 size_t n;
382
383 n = min(len, 1024);
384 if (flags & DRIVE_NOSTREAM) {
385 if ((flags & DRIVE_CAP32) && (n & 3) == 0)
386 bus_space_write_region_4(
387 chp->data32iot, chp->data32ioh,
388 0, buf, n >> 2);
389 else
390 bus_space_write_region_2(
391 chp->data32iot, chp->data32ioh,
392 0, buf, n >> 1);
393 } else {
394 if ((flags & DRIVE_CAP32) && (n & 3) == 0)
395 bus_space_write_region_stream_4(
396 chp->data32iot, chp->data32ioh,
397 0, buf, n >> 2);
398 else
399 bus_space_write_region_stream_2(
400 chp->data32iot, chp->data32ioh,
401 0, buf, n >> 1);
402 }
403 buf = (char *)buf + n;
404 len -= n;
405 }
406 }
407